NOVA | PBS

Cornering the Higgs

Hinzugefügt: 4. Juli 2013

On July 4, 2012, scientists at CERN used the word "discovery" to describe the results of experiments designed to prove the existence of the Higgs boson, a particle that gives mass to the universe....

Zeroing in on Surveillance Video

Hinzugefügt: 13. Juni 2013

After a crime or terrorist attack, authorities looking for the perpetrators may need to review many hours of surveillance video—in just minutes. But how can they speed up the video without speeding...

Surveillance City

Hinzugefügt: 5. Juni 2013

In this interview with The World's Marco Werman, NOVA Producer Miles O'Brien describes how surveillance footage played a key role in cracking the case of the Boston Marathon bombings. But as...

New Ways to Use Drones

Hinzugefügt: 30. Mai 2013

Thousands of drones could be in commercial use in the U.S. within a few years. These unmanned aerial vehicles may assist everyone from farmers and firefighters to doctors and utility workers. But...

Deadly Crocodiles Down Under

Hinzugefügt: 23. Mai 2013

The residents of Australia's Northern Territory share their land with one of the deadliest predators on the planet—the saltwater crocodile. Getting humans and these fearsome reptiles to coexist...

Dual Epidemics Threaten Koalas

Hinzugefügt: 16. Mai 2013

Australia's koala population has been hit hard by two rapidly spreading diseases: chlamydia (a sexually transmitted infection) and a retrovirus similar to HIV. Scientists are working to develop...

Australia's "Magnetic" Termites

Hinzugefügt: 9. Mai 2013

In Australia's Northern Territory, termites build mounds that are tall, thin, and aligned like compass needles. How and why the insects do this is not entirely clear. One entomologist offers some...

Experts Debate Dinosaur Stampede

Hinzugefügt: 2. Mai 2013

Millions of years ago in what is today Australia's Outback, a herd of dinosaurs left behind footprints in what has been interpreted as a stampede to escape a predator. A young researcher now...

Mexico Considers Gum Tax

Hinzugefügt: 25. April 2013

Discarded chewing gum is a common eyesore, and removing it from city streets and sidewalks can be costly. A Mexican congressman wants to solve the problem by borrowing a concept widely used in...

Digging Up Panama's Past

Hinzugefügt: 18. April 2013

The Panama Canal is being expanded to accommodate larger ships carrying bigger loads. The construction has exposed a trove of fossils, revealing a wide array of creatures that lived at the southern...

New Species in the Old World

Hinzugefügt: 11. April 2013

The last place you'd expect to find a new treasure is where everyone has been looking for centuries. Yet in Europe, home to history's greatest taxonomists, professional scientists and amateurs are...

Collecting Rain in Mexico City

Hinzugefügt: 4. April 2013

Mexico City faces a severe water crisis as 21 million residents slowly drain its aquifer. An environmental group is suggesting a plan to install rainwater harvesting systems on individual homes,...

The Clever Dog Lab

Hinzugefügt: 28. März 2013

What makes a dog bold or shy, eager or sullen? The Veterinary University of Vienna's Clever Dog Lab aims to find out with the help of some 600 Austrian dogs that owners volunteer for experiments....

Packaging You Can Eat

Hinzugefügt: 14. März 2013

Have you ever eaten a cocktail? Held a mouthful of juice in your hand? A team of chefs, chemists, and designers has come up with a way for you to do just that. They've created a biodegradable shell...

Boosting Kids' Brain Power

Hinzugefügt: 1. März 2013

An Oxford University researcher will soon test whether applying an electric current to part of the brain can help children learn math—an effect previously demonstrated in adults. Parents are...

Magnetic Fish Hooks Save Sharks

Hinzugefügt: 7. Februar 2013

It sounds like a plot device from a comic book: a simple substance that can make the powerful weak. But it's not kryptonite. An enterprising chemist says he's found a substance—several, in...

Elements in the Ocean

Hinzugefügt: 31. Januar 2013

There's a lot more to the oceans than salt and water. Many other ingredients make up the rich broth that sustains marine life and helps regulate the Earth's climate. But where do those ingredients...

A Gene for Fish Order

Hinzugefügt: 24. Januar 2013

British scientists have developed a genetic test for a disorder that causes people to emit an unusual body odor: The gene causes sufferers to smell like rotten fish. For those who have been...

Sandy's Warning

Hinzugefügt: 17. Januar 2013

Hurricane Sandy has renewed the debate over climate change in the United States, and two high-profile reports released since the storm have made it clear that without big changes we're headed for...

Costa Rica's Hunting Ban

Hinzugefügt: 10. Januar 2013

Costa Rica, a tropical country known for its national parks and ecotourism, has proposed a further step to protect its environment: a ban on all hunting. But even in this environmentally conscious...