Wild Predator Invasion Preview

Season 41 Episode 7

About the Episode

Can we return apex predators to their natural environments without endangering humans? Airing April 2, 2014 at 9 pm on PBS

Aired: | Expires: | Runtime: 52s

Ultimate Crash Test: Countdown Preview

A first-of-its-kind experiment aims to stage a multi-vehicle pileup to gain new data on car safety.

0:30
UFO Sightings: How Scientists are Trying to Capture More Data

To better study the UFO phenomenon, science needs more eyes on the skies.

5:00
What's Inside These Ancient Egyptian Jars?

A nearly 3,000-year-old canopic jar is discovered in an Egyptian tomb.

1:58
Secrets of the Forest Preview

Follow scientists in a quest to understand how complex forest ecosystems can help cool our planet.

0:30
The Rocket-Less Future of Space Travel

Space elevators? Nuclear rockets? The future of space travel could look radically different.

5:17
Do Aliens Exist? This Famous Equation Offers a Clue

The Drake Equation helps scientists estimate the odds of finding intelligent alien civilizations.

5:04
4 Ways the Universe Could End

If the universe as we know it started with the Big Bang, will it also have an end?

5:07
Building Blocks of Life Discovered on Distant Asteroid

Scientists have discovered the building blocks of life in samples retrieved from a distant asteroid.

6:03
Revolutionary War Weapons Preview

Explore key military technologies in the American colonies’ fight for freedom.

0:30
What Went Wrong on the Dali Before the Baltimore Bridge Collapse

The container ship Dali lost power causing it to crash into Baltimore’s Key Bridge.

2:57

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