Find by Interest Investigations

NOVA scienceNOW: 1918 Flu
A virus that killed up to 50 million people is brought back to life to decipher its deadliness.

Boldest Hoax, The
Who perpetrated Piltdown Man, the greatest scientific fraud of the 20th century?

Bombing of America
Forensic scientists search for clues hidden within the chaos of crime scenes to help law enforcement find the Unabomber.

Brain Eater, The
Scientists scramble to understand the devastating ailment known as mad cow disease.

Building on Ground Zero
Can lessons learned from the Twin Towers' collapse make new buildings safer?

Crash of Flight 111
One of the most exhaustive investigations in aviation history reveals telling clues to the cause of a disaster off Nova Scotia.

Curse of T. rex
How do paleontologists and commercial fossil hunters know where to look for rare and priceless dinosaur bones?

Deep Sea Invasion
A toxic aquarium plant is accidentally released into the Mediterranean, overwhelming marine life and threatening to spread worldwide.

Diamond Deception
Makeshift labs in China and Russia are turning out synthetic gemstones that rival natural diamonds.

Great Inca Rebellion, The
Mass graves and forensic evidence reveal a complex truth about how the Inca Empire fell.

Hitler's Lost Sub
A fisherman's net snags off the coast of New Jersey, revealing a missing World War II German U-boat.

Hitler's Sunken Secret
An expedition to the bottom of Norway's Lake Tinn illuminates Nazi Germany's nuclear ambitions.

Holocaust on Trial
A trial in London's High Court examines evidence from Auschwitz to successfully challenge the claims of Holocaust "deniers."

Hunt for the Supertwister
Tornado-chasing scientists with an eye to better forecasting risk their lives to plumb the secrets of nature's most terrifying killer.

Kidnapped by UFOs?
Carl Sagan and other scientists investigate claims that people have been visited or abducted by aliens.

Killer's Trail, The
Forensic scientists revisit the infamous Sheppard murder case of the 1950s in search of the true killer.

Last Flight of Bomber 31
Forensic scientists set out to discover what happened to seven American airmen whose plane crashed in Kamchatka during World War II.

Missing in MiG Alley
What happened to American pilots shot down over Korea half a century ago?

NOVA scienceNOW: Little People of Flores
The remains of three-foot-tall humans are discovered on a remote Indonesian island.

Mummy Who Would be King, The
Could a mummy exhibited for 140 years at an obscure museum in Niagara Falls be the remains of a long-lost Egyptian pharaoh?

Most Dangerous Woman in America, The
Examine the complex case of Typhoid Mary, a cook who was quarantined for life against her will in the early 1900s.

Mystery of the First Americans
The discovery of a 9,000-year-old skeleton embroils scientists in a debate over North America's first inhabitants.

Perfect Corpse, The
Forensic investigators tease secrets from the well-preserved bodies of people buried long ago in peat bogs.

NOVA scienceNOW: Profile: Julie Schablitsky
Meet an archeologist who is helping to rewrite the history of the Old West.

Secrets of Making Money
With a radically redesigned bill, the U.S. Treasury fights back against a new breed of counterfeiters.

Viking Deception, The
Is the Vinland Map a priceless depiction of the New World made before Columbus's voyage or a 20th-century fake?

Vanished!
The mysterious 1947 disappearance of an airplane high in the Andes en route from Argentina to Chile is finally resolved.

Why the Towers Fell
Forensic engineers investigate the collapse of the World Trade Center.