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Front Row Seat to Saturn

Out near Saturn, the spacecraft Cassini has just entered its final and riskiest chapter.
Mild Traumatic Brain Injury

Neuroscientists are beginning to understand what happens when a person receives a concussi
Traveling Salesman

Just 25 drop-off points means more than 15 trillion, trillion possible routes.
No Dinosaurs Above the Line

Tyler Lyson is a paleontologist who’s been digging up dinosaur fossils in these badlands.
Fossil-Filled Limestone

340 million years ago, a warm shallow sea covered all of the American Southwest.
The Grand Canyon's Oldest Rocks

“This rock is more than 4000 feet below the rim of the canyon."
The Sandstone Top of the Canyon

This is not the easiest thing to do—especially in a 100 degree heat—but it’s worth it.
Manhattan Schist

All over the city you can see outcrops of bedrock. It’s called Manhattan schist.
Chicken Feathers

When you heat chicken feathers to 750 degrees F they become over 200 times more absorbent.
Why So Many Cloud Types?

Visit NOVA Labs: pbs.org/nova/labs

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