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Evolution: Brain Power Preview
1:00
The story of the dolphin reveals how intelligence evolved, step by step, over billions of years.
Stone Age Masterpiece Preview
0:30
Step into the stunning cave that’s reshaping our understanding of prehistoric art.
How Atomic Clocks Keep Perfect Time
2:15
Atomic clocks use quantum physics and the resonant frequency of atoms, like cesium, to define time.
What Happens to Your Body During a Speed Eating Competition?
5:16
Competitive eaters stretch their stomachs beyond limits. Here’s what happens inside their bodies.
The Most Baffling Idea in Physics, Explained
3:33
Quantum entanglement defies our everyday understanding of reality.
The nation’s first big offshore wind farm is coming
5:22
The first commercial-scale offshore wind farm in the US is being built off Massachusetts.
Who is the Mystery Man Buried Under Notre Dame?
3:00
Can scientists identify the man buried inside a mysterious coffin found under Notre Dame?
The Physics of Breaking, a New Olympic Sport
1:19
Here are three moves in breaking, the newest Olympic sport, that appear to defy the laws of physics.
Area 51: UFO Sightings and an Infamous Government Cover-Up
2:35
Area 51’s UFO myths became a cover for secret testing of cutting-edge military technology.
Is the Government Hiding Information on UFOs?
1:03
What does the government know about UFOs? Experts weigh in on the need to identify these objects.
What You’re Probably Seeing If You Spot a UFO
2:17
Our skies are full of objects, natural and manmade, that are not as strange as you might think.
What Happens to Your Checked Bag at the Airport?
2:34
Getting the right bag to the right plane requires an ingenious system. Here’s how it works.
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