Nova (1987-2010)

Season 9

X-ray astronomy reveals the violent energy of neutron stars, exploding galaxies, quasars and black...

Season 9

A study of the evolution of television examines its social impact and its future potential.

Season 9

Exclusive footage chronicles the conception and birth of America's first test-tube baby in...

Season 9

The author studies different aspects of nature from why birds sing to bacteria that use the earth's...

Season 9

Certain species of snakes, butterflies, fish, turtles and other wildlife use unusual forms of...

Season 9

The biological and political causes of the 1977-79 plague of locusts in Africa.

Season 9

In the creation of new forms of life through genetic engineering, scientists are revolutionizing...

Season 9

Modern-day violin makers try to unlock the 250-year-old secret of the great Italian masters.

Season 9

The master bird-watcher and author is followed from his country studio in Connecticut to field...

Season 9

The determination and tremendous strength which allows the species to complete its fatiguing life...

Season 9

The futuristic technologies of computers, lasers, holograms and synthesizers are shown by artists...

Season 9

A behind-the-scenes look at San Francisco's Exploratorium discloses the spontaneous and comic...

Season 8

A piece of clay provides new clues about dinosaur extinction.

Season 8

Geologists probe the aftermath of the 1980 eruption of Mt. St. Helens in the state of Washington.

Season 8

Dudley Moore presents a study of time that answers some long-unsolved questions.

Season 8

Nature graces animals with extraordinary speed and strength; training and talent help humans excel.

Season 8

Forensic scientists and law enforcement officials detail the realities of murder.

Season 8

Doctors in Nigeria use herbal and modern Western medicine to combat the health hazards caused by...

Season 8

Underwater photography documents the yearly events in the eco-system of a coastal lagoon.

Season 7

The fate of the bowhead whale and the men who hunt them comprise a complex history of debate.

Season 7

Natural engineers discover that many of ``man's inventions'' were first used in nature.

Season 7

Swedish photographer Lennart Nilsson uses electron microscopy to document the progress of...

Season 7

A profile of Dr. Edward Teller's work on nuclear bombs includes an interview on his advocacy of the...

Season 6

The life and thoughts of Albert Einstein chronicle the humanist and philosopher behind the...

Season 6

The crash of a supertanker off the coast of Brittany spills 68 million gallons of oil into the sea.

Season 5

A film of the seasonal changes of a beaver pond documents the myriad life forms that exist in, on,...

Season 5

A portrait of the nomadic Mbuti pygmies who live in the rain forests of Zaire.

Season 5

A look at the life, times and image of Henry Ford demonstrates how he motorized America by...

Season 5

Subject: Advances in computer science that may create a replacement for the human mind.

Season 3

This 1976 investigation of mysteriously disappearing planes and ships begins with five U.S. Navy...

Season 2

An exploration into the reasons birds sing focuses on their regional accents, territorial rights and...

Season 1

An explanation of the production of wildlife documentaries.

(Airdate: 1/19/10)

An international team of scientists hopes to save the Sphinx from erosion.

(Airdate: 1/12/10)

Archeologists and boat builders reconstruct a vessel seen on a mysterious carving in an Egyptian...

(Airdate: 1/5/10)

A Japanese midget submarine may have played a role in the sinking of the USS Arizona at Pearl...

(Airdate: 12/29/09)

Science breakthroughs link the mystery of origins to the development of the embryo.

(Airdate: 11/17/09)

Evidence reveals new insights into how humans became creative and modern; demise of Neanderthals.

(Airdate: 11/10/09)

How ancestors survived in a savannah with vicious predators; when and why they left the African...

(Airdate: 11/3/09)

Clues about early ancestors in Africa include a complete fossil named Lucy's Child.

(Airdate: 10/20/09)

Dr. Eric Pianka tracks monitor lizards, a species successful at adapting to all kinds of settings,...

(Airdate: 10/13/09)

NASA sends a shuttle crew to service the Hubble Space Telescope.

(Airdate: 10/6/09)

Charles Darwin must decide whether to make his theory of evolution public. With Henry Ian Cusick and...

(Airdate: 6/30/09)

Dr. Oliver Sacks investigates how music affects the brain, revealing case studies such as a man who...

(Airdate: 4/14/09)

An update on the seven doctors first profiled in 1987 as they began Harvard Medical School.

(Airdate: 4/7/09)

An update continues profiles on seven doctors who began Harvard Medical School in 1987.

(Airdate: 3/31/09)

A new theory about what killed off America's mammoths.

(Airdate: 3/24/09)

Photojournalist James Balog and a scientific team disperse cameras in risky, remote locations in the...

(Airdate: 2/24/09)

The half-century bloom of a bamboo species in Mizoram spurs an explosion in the rat population in...

(Airdate: 2/3/09)

The modern technology underlying the National Security Agency's hunt for information in the war on...

(Airdate: 1/27/09)

The secret world of the monarch butterfly.

(Airdate: 1/20/09)

The state of California's efforts to ensure a sustainable energy future include energy conservation...

(Airdate: 12/30/08)

Scientific results from NASA's twin robot explorers, Spirit and Opportunity, and the Phoenix probe,...

(Airdate: 11/25/08)

San Francisco veterinarian Frances Gulland and her team care for marine mammals affected by toxic...

(Airdate: 11/18/08)

Scholars and researchers discuss the Old Testament and how the concept of one God emerged.

(Airdate: 11/11/08)

Excavations at Ling Bua on the island of Flores, Indonesia, unearthed tiny human fossil bones.

(Airdate: 10/28/08)

A new branch of math called fractals has opened up a path to scientific analysis and understanding.

(Airdate: 10/21/08)

Mark Oliver Everett, lead singer of the EELS, travels America to learn about his estranged father,...

(Airdate: 10/14/08)

Astronauts, their families and members of the Columbia Accident Investigation Board talk about the...

(Airdate: 10/7/08)

A field expedition to collect new fossil clues on Alaska's North Slope reveals details of the lives...

(Airdate: 5/20/08)

E.O. Wilson became known as the architect of sociobiology through his study of ants.

(Airdate: 5/13/08)

Three Ethiopian women with childbirth injuries find solace at a special hospital in Addis Ababa.

(Airdate: 4/22/08)

Tom and Ray Magliozzi of NPR's ``Car Talk'' examine new technologies and ideas for transportation,...

(Airdate: 4/8/08)

Pioneers decipher the Maya's system of hieroglyphics.

(Airdate: 2/26/08)

The reconstruction of the pigeon-sized microraptor, the smallest adult dinosaur ever found, sheds...

(Airdate: 2/19/08)

The secret mental lives of great apes -- chimps, orangutans, gorillas and bonobos -- and what...

(Airdate: 2/12/08)

Author Jim Bamford goes to Russia to investigate the prototypes of the Almaz military space...

(Airdate: 1/29/08)

Scholars probe the planning and construction of the Parthenon, erected by the ancient Greeks as a...

(Airdate: 1/15/08)

Groundbreaking discoveries made over four centuries which led to creations such as frozen food,...

(Airdate: 1/8/08)

Groundbreaking discoveries over four centuries lead to freezing foods, refrigeration, and...

(Airdate: 12/18/07)

Russian and American fighter pilots battle it out over MiG Alley, a strip of airspace above the...

(Airdate: 11/20/07)

The Mofu shaman in the Mandaras Mountains of northern Cameroon calls on the Jaglavak army ant to...

(Airdate: 11/13/07)

Conflict among parents, teachers and a school board erupts when the board orders teachers to read...

(Airdate: 11/6/07)

Before the founding of NASA, politics and personalities collide over early efforts to get America...

(Airdate: 10/30/07)

People from diverse backgrounds train for the Boston marathon, including a woman running in memory...

(Airdate: 10/16/07)

Epigenetics investigates hidden influences that could affect one's health in the present and the...

(Airdate: 10/9/07)

The craft of the traditional swordsmiths; samurai fighting school and the discipline of sword...

(Airdate: 7/24/07)

Chemical switches inside human cells, the epigenomes, turn genes on and off; coded sculpture...

(Airdate: 7/10/07)

Evidence suggests that sleep plays a crucial role in strengthening memories and facilitating...

(Airdate: 6/19/07)

Archaeologist Guillermo Cock examines mummies, victims of a battle pitting club-wielding Inca...

(Airdate: 6/19/07)

Unknown kangaroo species and the first complete skeleton of the largest carnivorous marsupial ever...

(Airdate: 6/1/07)

Epigenetics is changing how scientists think about identity, disease and heredity; Maya findings;...

(Airdate: 5/8/07)

Archaeologists discover Chief Powhatan's capital, revealing more of the American Indian aspects of...

(Airdate: 4/24/07)

Problems and possible solutions to global warming; renewable energies like wind and solar power.

(Airdate: 4/17/07)

Discovering the origin of flowers at a remote mountain region of China.

(Airdate: 4/3/07)

Cuttlefish are able to change their skin color and even their shape to blend into virtually any...

(Airdate: 2/13/07)

Bonobo researchers return to the Congo to determine the effects of the civil war and the bush meat...

(Airdate: 2/6/07)

The grandson of Alabama slaves, Percy Julian became an industrialist, self-made millionaire,...

(Airdate: 1/9/07)

Scientists work on a pill that could extend the human life span; space elevators; satellite imaging...

(Airdate: 12/26/06)

Peter Robbins stakes everything he owns to build a submarine to explore the sunken wrecks of German...

(Airdate: 11/21/06)

Genetic research that may solve the mystery of longevity; ancient papyrus scrolls; archaeologist...

(Airdate: 11/14/06)

An impairment causes an impoverished family in Turkey to walk on all fours, and scientists...

(Airdate: 11/7/06)

Re-creations and replicas of Brazilian-born inventor Alberto Santos-Dumont's pioneering balloons and...

(Airdate: 10/31/06)

Computer-generated imagery depicts supermassive black holes.

(Airdate: 10/17/06)

Two Boeing 747 airliners collide on the runway at a small airport in the Canary Islands, killing 583...

(Airdate: 10/3/06)

Possible consequences of an asteroid hitting the earth in 2036; genes and hormones that regulate...

(Airdate: 9/26/06)

A remote lake in Southeast Asia conceals evidence of the greatest volcanic cataclysm of the last...

(Airdate: 9/5/06)

The collapse of the World Trade Center and improvements to construction and security of other...

(Airdate: 4/18/06)

Research shows that the sun appears dimmer due to the increase in air pollution on Earth.

(Airdate: 4/4/06)

The Huygens space probe explores the surface of Saturn's moon Titan.

(Airdate: 3/28/06)

Teams from around the world enter the DARPA Grand Challenge, a contest for robotic, driverless...

(Airdate: 2/28/06)

John Franklin's ships vanish during an expedition to conquer the elusive Arctic route.

(Airdate: 2/28/06)

John Franklin's ships vanish during an expedition in search of the Northwest Passage; the last known...

(Airdate: 2/28/06)

Roald Amundsen learns Inuit skills for Arctic survival, which enable him to conquer the Northwest...

(Airdate: 2/21/06)

New theories explain the beginnings of creation.

(Airdate: 2/14/06)

David Attenborough investigates whether dinosaur DNA can be extracted from mosquitoes trapped in...

(Airdate: 2/7/06)

An investigation unearths two bog-bodies from Central Ireland's landscape, providing evidence of...

(Airdate: 1/17/06)

Doctors, rescuers and mountaineers try to determine why people die attempting to climb Mount...

(Airdate: 1/10/06)

Breakthroughs in embryonic stem cell techniques; tenth planet; risks of flu pandemic; ivory-billed...

(Airdate: 1/2/06)

Archaeologists try to determine if a mummy displayed in a Niagara Falls museum is Ramses I.

(Airdate: 11/22/05)

A minute-by-minute, eyewitness account of Hurricane Katrina; why flood defenses failed.

(Airdate: 11/15/05)

Isaac Newton makes breakthroughs in physics, optics and calculus and has a turbulent personality.

(Airdate: 11/8/05)

A salvage expedition tries to recover sunken barrels from the ferryboat Hydro, sunk en route to...

(Airdate: 11/1/05)

Scientists venture into a volcano in Goma, Congo, to collect data from the lava.

(Airdate: 10/18/05)

The danger to New Orleans from hurricanes; scientists try to create new forms of life in the...

(Airdate: 10/11/05)

Human conflicts lead to Albert Einstein's (Aidan McArdle) mathematical discovery.

(Airdate: 10/4/05)

Retracing the sinking of the Yamato, the largest battleship ever built.

(Airdate: 9/20/05)

Thousand-foot-deep floodwaters scoured vast areas of the American northwest near the end of the last...

(Airdate: 7/26/05)

Tom and Ray Magliozzi talk about fuel cells; neurobiologist Erich Jarvis reveals the similarities...

(Airdate: 4/19/05)

(Airdate: 4/19/05)

Stem-cell research; biologist Greg Erickson's research of the tyrannosaur; nanotechnologist Naomi...

(Airdate: 3/29/05)

December 2004 tidal waves claim the lives of hundreds of thousands and devastate communities around...

(Airdate: 2/22/05)

Louis Bleriot's 1909 flight from France across the English Channel becomes the first long-distance...

(Airdate: 2/15/05)

Preserving the Declaration of Independence, Constitution and Bill of Rights documents.

(Airdate: 2/8/05)

Some believe that the Vinland Map offers proof that the Vikings arrived in America before...

(Airdate: 1/25/05)

Robert Krulwich examines the impact of advancements in science and technology.

(Airdate: 1/18/05)

Designers and engineers build the Concorde for supersonic passenger flight.

(Airdate: 1/11/05)

The discovery of the bones of a primitive human turns out to be a hoax.

(Airdate: 1/4/05)

Scientists and engineers follow the progress of two rovers on Mars.

(Airdate: 11/23/04)

A controversial theory surrounds the great temple in Jerusalem and the Romans.

(Airdate: 11/16/04)

Allied prisoners of war escape from a Nazi prison camp by digging three tunnels.

(Airdate: 11/9/04)

Archaeologists debate a theory claiming the first Americans came from Europe.

(Airdate: 10/31/04)

(Airdate: 10/24/04)

(Airdate: 10/12/04)

Mary Mallon unwittingly spreads typhoid fever in the early 1900s.

(Airdate: 9/29/04)

Big-bang theory; stars explode and disperse newly forged elements throughout space.

(Airdate: 9/29/04)

Scientists search for life in the universe; big-bang theory; stars explode and disperse newly forged...

(Airdate: 9/29/04)

Scientists search for life in the universe.

(Airdate: 9/28/04)

Earth sees the formation of continental crust and the precipitation of water; primitive organisms...

(Airdate: 9/28/04)

Primitive organisms convert carbon dioxide into oxygen.

(Airdate: 9/28/04)

Earth sees the formation of continental crust and the precipitation of water.

(Airdate: 5/4/04)

The U.S. military uses high-tech weapons to fight terrorists and militias in Iraq.

(Airdate: 4/20/04)

Population trends in China move away from the one-child policy.

(Airdate: 4/20/04)

Population trends in India, Japan and sub-Saharan Africa; China's growing economy.

(Airdate: 4/20/04)

Population trends in India, Japan and sub-Saharan Africa.

(Airdate: 3/30/04)

Two University of Oklahoma scientists attempt to forecast tornadoes.

(Airdate: 3/2/04)

Life-and-death drama occurs daily at the tented 21st Combat Support Hospital near Baghdad, Iraq.

(Airdate: 2/17/04)

The aviation investigation into the 1998 crash of Swissair Flight 111 off the coast of Nova Scotia,...

(Airdate: 2/10/04)

An exploration of ice caves in Mont Blanc finds trapped flood water that menaces the populated...

(Airdate: 2/3/04)

Dogs' origins, breeding and relationship with man.

(Airdate: 1/20/04)

The survival strategies of lemurs and crocodiles in a remote refuge in Madagascar.

(Airdate: 1/4/04)

The rover Spirit will be launched from Earth to a dry lake bed near the Martian equator.

(Airdate: 11/25/03)

The five climatic zones of Kilimanjaro; the formation of the African continent.

(Airdate: 11/18/03)

The effects of changes to the planet's magnetic field.

(Airdate: 11/11/03)

An examination of the Wright brothers' personal story and the invention of the airplane.

(Airdate: 11/4/03)

The successful unification of five different string theories into a single theory.

(Airdate: 10/31/03)

Author Brian Greene (``The Elegant Universe'') explains string theory; physicists attempt to unify...

(Airdate: 10/31/03)

String theory states that vibrating strands of energy give rise to all the elementary particles.

(Airdate: 10/28/03)

Author Brian Greene (``The Elegant Universe'') explains string theory; physicists attempt to unify...

(Airdate: 10/7/03)

An investigation into the 1918 death of German flier Manfred von Richthofen, also known as the ``Red...

(Airdate: 9/30/03)

Scientists use imaging techniques to unlock the secrets of a long-lost compendium of works by the...

(Airdate: 4/22/03)

Molecular biologist Rosalind Franklin's contributions to the discovery of DNA.

(Airdate: 4/1/03)

Toxic algae decimates marine life in the Mediterranean.

(Airdate: 2/25/03)

One of the nightmare scenarios of terrorism is the detonation of a ``dirty bomb,'' a device using a...

(Airdate: 2/18/03)

The Buddhist monastery of Thubchen lies on Nepal's northern border, and its medieval wall paintings...

(Airdate: 2/11/03)

Mountaineer Jon Krakauer and his expedition team try to scale Antarctica's highest peak, the Vinson...

(Airdate: 2/4/03)

Lockheed Martin and Boeing compete to win a government contract to build the next generation fighter...

(Airdate: 1/21/03)

In 1938 fishermen catch a coelacanth, believed extinct since the time of the dinosaurs.

(Airdate: 1/14/03)

Aviation experts and forensic scientists investigate the wreckage of a World War II bomber...

(Airdate: 1/7/03)

Advances in robotic planes for spying; the history of airborne spying.

(Airdate: 11/26/02)

An all-consuming passion for orchids subjects Tom Hart Dyke to Colombian guerrilla imprisonment for...

(Airdate: 11/19/02)

Venetians fight to save their city from the rising tides of the Adriatic Sea.

(Airdate: 11/12/02)

In January 1993, Stanley Williams and a few others manage to escape when a Colombian volcano erupts,...

(Airdate: 10/29/02)

Scientific genius Galileo clashes with church authorities trying to suppress his astonishing...

(Airdate: 10/8/02)

Archaeologists try to excavate the Roman city of Zeugma before a hydroelectric dam floods the site.

(Airdate: 10/1/02)

Geologists Carol Hill and Dave Jagnow's discovery of blocks of minerals in New Mexico's Carlsbad...

(Airdate: 9/3/02)

The medical community tries to combat the spread of meningitis on U.S. college campuses.

(Airdate: 5/7/02)

The Arrowhead Hotshots fight a wildfire during the summer of 2000; fire policy.

(Airdate: 4/30/02)

A team of forensic engineers investigates the cause of the World Trade Center's collapse.

(Airdate: 3/26/02)

Location footage and interviews describe the expedition of Ernest Shackleton and his crew to cross...

(Airdate: 2/26/02)

A fossil jaw in a museum drawer leads paleontologists to believe that all four-limbed creatures...

(Airdate: 2/5/02)

Evidence suggests Soviet spies penetrated some American projects and secrets, including the...

(Airdate: 1/29/02)

Creating sequences and colors of fireworks requires scientific knowledge and artistry.

(Airdate: 1/22/02)

Scientists investigate a genetic link between Neanderthals and modern humans.

(Airdate: 1/8/02)

Scientists discover gamma-ray bursts at the edges of the known universe.

(Airdate: 12/25/01)

The courting behavior of Australia's male bower birds; David Attenborough.

(Airdate: 12/11/01)

In California's White Mountains, scientists examine what may be the world's oldest living tree.

(Airdate: 11/20/01)

Lennart Nilsson's photography and computer animation show a baby in a womb.

(Airdate: 11/13/01)

Experts discuss the use of germ warfare.

(Airdate: 11/6/01)

Russian soldiers in charge of nuclear missiles.

(Airdate: 10/30/01)

The botched circumcision of an infant interferes with his sexual identity.

(Airdate: 10/23/01)

Dr. V.S. Ramachandran studies the structure of emotion, perception and consciousness in the brain.

(Airdate: 10/9/01)

Science offers options for infertile couples; the reproductive revolution.

(Airdate: 10/2/01)

The quest for a safer cigarette and less-toxic smoke.

(Airdate: 4/17/01)

An investigation into the impact of new human DNA information and research.

(Airdate: 4/10/01)

Psychiatrist Jay Bonner; cardiologist Luanda Grazette; anesthesiologist Elliott Bennett-Guerrero.

(Airdate: 4/3/01)

Internist Jane Liebschutz; Dr. Cheryl Dorsey serves as a director of public health; ophthalmologist...

(Airdate: 3/27/01)

ER physician Tom Tarter sports tattoos and rides a Harley-Davidson motorcycle.

(Airdate: 2/27/01)

Dr. Judah Folkman uses clinical trials in an effort to suppress tumor growth.

(Airdate: 2/13/01)

Archaeologists excavate the burial sites of Mayan kings in the Honduran city of Copan.

(Airdate: 2/6/01)

Allied prisoners plan escapes from Germany's Colditz Castle during World War II.

(Airdate: 1/30/01)

Two mountaineers discover an airliner wreckage in the Andes.

(Airdate: 1/16/01)

Archaeologists attempt to salvage an ancient shipwreck in the South China Sea.

(Airdate: 12/19/00)

The Japanese word ``satoyma'' reflects the balance between humans and nature.

(Airdate: 12/12/00)

Specialists experiment with new approaches to eating disorders.

(Airdate: 11/28/00)

The Seychelles Islands are home to rare and unique species of geckos, snails, snakes, parrots,...

(Airdate: 11/21/00)

Astronomers try to confirm the size and shape of the universe, as well as predict its end.

(Airdate: 11/14/00)

Professional diver John Chatterton discovers a sunken World War II German U-boat located near the...

(Airdate: 10/31/00)

David Irving and Deborah Lipstadt debate the reality of the Holocaust.

(Airdate: 10/24/00)

The U.S. Navy tries to salvage the USS Monitor.

(Airdate: 5/9/00)

Retracing the voyages of the Vikings reveals the boldness of the Scandinavian seafarers.

(Airdate: 5/9/00)

Retracing Viking voyages and exploits shows the boldness and dynamism of the warrior people.

(Airdate: 5/9/00)

Retracing Viking voyages shows how bold and energetic the warriors were.

(Airdate: 4/25/00)

The International Space Station's long-term operation carries risks and hazards.

(Airdate: 2/29/00)

Engineers and scholars try to duplicate the design of China's rainbow bridge.

(Airdate: 2/22/00)

Researchers describe the advanced technological design of the Roman baths.

(Airdate: 2/22/00)

Advances in genetics lead to the investigation of an African as a possible member of the Lost Tribes...

(Airdate: 2/15/00)

Archaeologists try to solve the mystery of Easter Island's monuments and lost civilization.

(Airdate: 2/15/00)

Paleoanthropologists research the earliest Americans.

(Airdate: 2/8/00)

A mathematical formula might allow investors to predict the stock market in advance.

(Airdate: 2/8/00)

Engineers try to re-create the raising of a massive granite obelisk, a feat that ancient Egyptians...

(Airdate: 2/1/00)

Breakthroughs in the production of synthetic diamonds may transform the marketing of the expensive...

(Airdate: 2/1/00)

Engineers design missile-launchers like those of the medieval era.

(Airdate: 1/18/00)

In May 1999, climbers locate the body of George Mallory, who was lost on Mount Everest in 1924.

(Airdate: 1/4/00)

A year inside a beehive shows an organized social life, rival queens, colony scouts and the defeat...

(Airdate: 12/21/99)

Surgeons and researchers try to develop an artificial heart to be used for transplant surgery.

(Airdate: 11/23/99)

An archaeologist finds the wreckage of La Belle, a French ship from the 1680s.

(Airdate: 11/9/99)

Geniuses break down the German code-machine ``Enigma'' during World War II.

(Airdate: 11/2/99)

The remote Japanese island of Hokkaido has volcanoes, forests, lakes, valleys and diverse wildlife.

(Airdate: 10/19/99)

Current technology aids in the re-examination of evidence from the 1954 murder of Marilyn Sheppard.

(Airdate: 10/12/99)

Physicists who believe in the possibility of time travel try to build a time machine.

(Airdate: 10/6/99)

In 1924 George Mallory and Andrew Irvine disappear while climbing Mount Everest.

(Airdate: 10/5/99)

Engineers and architects work to save the Leaning Tower of Pisa from collapsing.

(Airdate: 7/13/99)

Astronauts, scientists and engineers chronicle the Apollo projects and landing on the moon.

(Airdate: 3/30/99)

Undersea volcanoes offer clues to the beginnings of life.

(Airdate: 2/23/99)

Deployment of aircraft carriers, cruisers and submarines in the Persian Gulf.

(Airdate: 2/17/99)

Plane crashes; sinking ships; parachutes; ejection seat; evacuation; international regulations;...

(Airdate: 2/17/99)

Sinking ships; evacuation; international regulations; Titanic.

(Airdate: 2/17/99)

Plane crashes; parachutes; ejection seat.

(Airdate: 2/16/99)

Tragic fires trigger new safety codes; sprinklers; hydrants; evacuation drills.

(Airdate: 2/16/99)

Scientists try to make safer cars; windshields; seat belts; roll bars; air bags.

(Airdate: 2/16/99)

Fires; car crashes; safety codes; sprinklers; hydrants; evacuation drills; windshields; seat belts;...

(Airdate: 2/2/99)

Patients continue to live longer as scientists search for an HIV/AIDS vaccine.

(Airdate: 1/19/99)

Submarine accidents occur during Cold War spy missions.

(Airdate: 1/12/99)

Scientists search for the Loch Ness monster in Scotland.

(Airdate: 12/29/98)

Cultivation of pearls.

(Airdate: 12/1/98)

Leopards face challenges and dangers from rivals in Zambia; host David Attenborough.

(Airdate: 11/24/98)

An ancient female corpse is very well-preserved.

(Airdate: 11/24/98)

Incan sacrifice of children; preserved female corpse; 5,300-year-old frozen man.

(Airdate: 11/24/98)

Frozen remains of a 5,300-year-old man in the Alps.

(Airdate: 11/24/98)

The Incas sacrifice children atop the Andes.

(Airdate: 11/10/98)

The volcano Vesuvius destroys the city of Pompeii in the first century and continues to pose a...

(Airdate: 11/3/98)

Special effects make movies like ``Titanic'' come to life.

(Airdate: 10/27/98)

Life-threatening problems aboard the space station Mir.

(Airdate: 10/13/98)

Scientists examine El Nino and its effect on global weather.

(Airdate: 10/6/98)

John Harrison (Patrick Malahide) invents the chronometer for marine navigation; narrator Richard...

(Airdate: 5/12/98)

The physiological and psychological aspects of impotence.

(Airdate: 4/28/98)

Crocodiles band together to protect their family.

(Airdate: 4/21/98)

Calving icebergs may cause a catastrophic rise in the sea level.

(Airdate: 3/31/98)

Archaeologists and spelunkers find evidence of a lost civilization in Central America.

(Airdate: 2/24/98)

Researchers study the effects of weather and altitude on the human mind and body.

(Airdate: 2/10/98)

Researchers investigate an infectious and incurable disease responsible for killing nearly a million...

(Airdate: 2/3/98)

Cutting-edge veterinary medicine saves the lives of pets.

(Airdate: 1/27/98)

The race to build the first supersonic jet leads to Cold War espionage.

(Airdate: 1/20/98)

Mummies with blond hair and blue eyes are found in a Chinese desert.

(Airdate: 1/6/98)

Nighttime in the Kalahari features rare and exotic animals searching for food.

(Airdate: 12/2/97)

Balloonists attempt circumnavigation.

(Airdate: 11/25/97)

An elite corps combats avalanches.

(Airdate: 11/18/97)

After earthquakes, much of Egypt's ancient city of Alexandria sinks into the sea.

(Airdate: 11/12/97)

The Clark Bridge spans the Mississippi in Alton, Ill.

(Airdate: 11/11/97)

Wolves in their natural habitat; host David Attenborough.

(Airdate: 10/28/97)

Working for seven years, mathematician Andrew Wiles finally proves an equation.

(Airdate: 10/21/97)

Bomb disposal requires technological and personal skill.

(Airdate: 10/14/97)

Records of test programs show man's attempt to fly faster than sound.

(Airdate: 10/7/97)

A neurosurgeon uses revolutionary treatment for head injuries.

(Airdate: 7/29/97)

North Pole expedition to recover a B-29; the sinking of the Britannic in 1916.

(Airdate: 4/15/97)

Biologist Amanda Vincent studies sea horses, to save them from extinction.

(Airdate: 4/8/97)

Brazilian surgeon Randas Batista cuts diseased tissue from living human hearts.

(Airdate: 2/25/97)

The FBI protects tyrannosaurus bones; paleontologists compete with commercial fossil hunters.

(Airdate: 2/18/97)

Astronomers seek planets on which life could already exist.

(Airdate: 1/28/97)

Many survive the 1916 sinking of the hospital ship Britannic in the Aegean.

(Airdate: 1/14/97)

The power of explosives is seen in science, accidents, war and terrorism.

(Airdate: 12/31/96)

A new theory about the causes of the Ice Age focuses on the Himalayas.

(Airdate: 11/26/96)

Lennart Nilsson demonstrates techniques of microphotography.

(Airdate: 11/25/96)

Microscopic creatures, malignant and benign, inhabit human bodies and dwellings.

(Airdate: 11/24/96)

The development of animal embryos reflects the evolution of species.

(Airdate: 11/19/96)

Survivors of shark attacks, including surfers, discuss the animals' behavior.

(Airdate: 11/12/96)

American pilots visit Russia to see planes of the former Soviet Union.

(Airdate: 10/22/96)

The $100 bill is redesigned to foil counterfeiters.

(Airdate: 10/15/96)

Three wealthy adventurers attempt a nonstop balloon trip around the world.

(Airdate: 10/8/96)

The space shuttle helps locate the lost city of Ubar in the Arabian desert.

(Airdate: 10/1/96)

Albert Einstein's troubled personal life contrasts with his scientific genius.

(Airdate: 5/21/96)

Climbers sometimes face harrowing situations on Mount Everest.

(Airdate: 4/16/96)

Scientists help in the fight against criminal bombings.

(Airdate: 4/9/96)

The healing ceremonies, death practices and other customs of the Yanomami, one of the few remaining...

(Airdate: 4/2/96)

Dr. Benjamin Spock mixes an interest in babies with a long-standing activism for world peace.

(Airdate: 3/26/96)

In 1993, record floods strike the Mississippi River Valley.

(Airdate: 2/27/96)

In 1963, a couple reports being abducted by aliens and taken aboard a spacecraft.

(Airdate: 2/20/96)

War technology employed in Desert Storm; military machines of the future.

(Airdate: 2/6/96)

Doctors, Red Cross workers and scientists battle to contain an Ebola outbreak in Kikwit, Zaire.

(Airdate: 1/30/96)

Darryl Greenamyer forms an expedition to recover a B-29 lost over the North Pole more than 50 years...

(Airdate: 1/16/96)

The science of earthquake prediction and preparedness.

(Airdate: 1/9/96)

An international team struggles to locate and defuse land mines in Cambodia.

(Airdate: 12/26/95)

Investigators search for possible causes of sick-building syndrome.

(Airdate: 12/19/95)

Two scientists stumble across a third form of carbon.

(Airdate: 11/28/95)

Cameras chronicle the diverse activity of Australia's Great Barrier Reef.

(Airdate: 11/14/95)

A rash of suspicious store fires sets Los Angeles investigators on the trail of a serial arsonist.

(Airdate: 11/7/95)

Three scientific teams attempt to solve the mystery of how lightning is generated.

(Airdate: 10/31/95)

Many astronomers believe that a large meteor will invade the Earth's atmosphere within the next 50...

(Airdate: 10/24/95)

Hawaiians view volcanos as both destroyers and creators of life.

(Airdate: 10/17/95)

Radar views of the surface of Venus spark a debate about the planet's long-term history.

(Airdate: 10/10/95)

Skeletons discovered in Ekaterinburg in 1979 may be the remains of Czar Nicholas II and his family.

(Airdate: 5/23/95)

A team entering the Indianapolis 500 attempts to build a faster car.

(Airdate: 5/3/95)

Seven recently graduated doctors struggle with death, divorce and chronic sleep deprivation.

(Airdate: 3/7/95)

Microphotography details the circulatory, immune, digestive and reproductive systems.

(Airdate: 2/14/95)

Doctors attempt to separate two girls who were born joined at the pelvis.

(Airdate: 2/7/95)

Recently opened German archives yield files seized when the Red Army liberated the Nazi...

(Airdate: 1/31/95)

Edward Wilson, with the aid of close-up photography, reveals the hidden world of ants.

(Airdate: 1/24/95)

Norse legends may suggest that the Vikings discovered North America 500 years before Columbus.

(Airdate: 1/10/95)

Evidence shows the mammoth lived beyond the Ice Age and almost avoided extinction.

(Airdate: 12/27/94)

Linguists search for links between languages previously considered unrelated.

(Airdate: 12/20/94)

The people of Siberia refer to Lake Baikal as the ``sacred sea.''

(Airdate: 12/13/94)

The Hubble space telescope, from its planning to its results.

(Airdate: 11/29/94)

Dr. Mike Voorhies travels to a north-central Nebraska location where volcanic ash preserved fossils...

(Airdate: 11/15/94)

Scientists study seismic pressure under southern California to minimize possible destruction.

(Airdate: 11/8/94)

A Brazilian Amazonian tribe maintains a primitive culture.

(Airdate: 11/1/94)

New research into menopause addresses medical and ethical questions.

(Airdate: 10/25/94)

Naturalist Richard Wheeler kayaks the migration route of the extinct auk, a flightless seabird, down...

(Airdate: 10/18/94)

Social workers find a teen imprisoned from infancy by her parents.

(Airdate: 10/11/94)

The international crime of smuggling rare and endangered birds.

(Airdate: 4/19/94)

Daily routine aboard the Navy aircraft carrier USS Independence.

(Airdate: 4/12/94)

China's tobacco industry flourishes despite a rise in smoking-related illnesses.

(Airdate: 3/2/94)

Early man's progression from scavenger to hunter began the migration out of Africa.

(Airdate: 3/1/94)

Early man's small body features forced him to rely on intelligence to find food in other ways than...

(Airdate: 2/28/94)

The discovery of an ape's fossilized remains in 1974 changed scientific thinking about evolution.

(Airdate: 2/15/94)

New research on the controversy over chimps using human symbols to communicate.

(Airdate: 2/8/94)

Wildlife flourishes in the volcanic peaks of Kenya, Kilimanjaro and the Aberdares.

(Airdate: 2/1/94)

The U.S. Aerobatic Team's preparation for the 1992 World Aerobatic Championship.

(Airdate: 1/25/94)

The American Museum of Natural History team traces paleontologist Roy Chapman Andrews' 1920...

(Airdate: 1/18/94)

The World War II codebreaking efforts known as ``Enigma'' and ``Purple.''

(Airdate: 12/28/93)

With the neurological disorder visual agnosia, the patient fails to recognize familiar articles and...

(Airdate: 12/21/93)

A profile of physicist Richard Feynman highlights his career accomplishments.

(Airdate: 12/7/93)

Host Bill Cosby celebrates the show's 20th anniversary with excerpts from previous shows.

(Airdate: 11/29/93)

The investigation of a plane crash in Panama unearths clues.

(Airdate: 11/16/93)

Roller coaster designers use physics and psychology to build the thrill rides.

(Airdate: 11/9/93)

An examination of the steps needed to genetically re-create dinosaurs answers questions of its...

(Airdate: 11/2/93)

A controversial program attempts to help the California condor from becoming extinct, while the...

(Airdate: 10/26/93)

Three terminally ill patients wait for lung transplants at Toronto General Hospital.

(Airdate: 10/19/93)

Magician James Randi investigates paranormal claims like knifeless surgery, faith healers and...

(Airdate: 10/12/93)

An archaeological dig may determine if Butch Cassidy and the Sundance Kid were killed in a Bolivian...

(Airdate: 10/5/93)

Marc Summers tests the science knowledge of a cross section of Americans to celebrate the show's...

(Airdate: 3/30/93)

Anthropologists conflict on whether the Tasaday, a Philippine jungle tribe, is truly of the...

(Airdate: 3/2/93)

DNA surpasses the fingerprint as a forensic tool for solving murder, rape, paternity suit and...

(Airdate: 2/23/93)

Modern pirates use metal detectors, sonar and other high-tech equipment unavailable to the high-seas...

(Airdate: 2/16/93)

Science takes a vital role in improving athletic performance.

(Airdate: 2/9/93)

Scientists study the eruption of Mount Pinatubo to predict volcanoes in the Philippines.

(Airdate: 2/2/93)

German scientists tell how they helped develop the Soviet Union's first atomic bomb in the 1940s.

(Airdate: 1/26/93)

A Tuskegee study of untreated syphilis victimized black men who sought treatment but received...

(Airdate: 1/19/93)

A history of strategic bombing examines its success in the Persian Gulf War.

(Airdate: 1/12/93)

The U.N. Inspection Team searches for hidden chemical, nuclear and biological weapons in Iraq.

(Airdate: 12/29/92)

Conservationists employ biology, ecology, diplomacy and political acumen to preserve endangered...

(Airdate: 12/22/92)

Russia and the United States use old and new weapons to combat alcohol abuse.

(Airdate: 12/1/92)

In a sequel to 1986's ``The Case of the Frozen Addict,'' researchers seek a cure for paralysis in...

(Airdate: 11/17/92)

Research stations in Australia and Florida study the dolphin's advanced social structure.

(Airdate: 11/10/92)

Scientists study the frozen body of a 5,000-year-old man and artifacts found with him in 1991.

(Airdate: 11/4/92)

Egyptologist Mark Lehner and stonemason Roger Hopkins (``This Old House'') test theories on how...

(Airdate: 10/27/92)

A rafting trip down the Colorado River examines natural and man-made forces shaping the Grand...