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Tuesday, July 28, 2015

Is Air Conditioning Killing the Planet?

 
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Air conditioner
Is Air Conditioning Killing the Planet?

The United States uses more energy for A/C than any other country in the world. Learn what that's doing to our planet.

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Internal wave
Skyscraper-Sized Waves Surge Below the Surface

Massive underwater waves shed their secrets after a seven-year research effort.

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WATCH VIDEO WATCH VIDEO:
Using Science to Surf Better How exactly does surfing work, and can understanding science make you better at it?
Dino
Just One Animal Today Has Teeth Like T. rex

T. rex and other big dinosaurs had teeth specialized for tearing through flesh and bone and only one living animal has similar tooth structure. Can you guess which?

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WATCH VIDEO WATCH VIDEO:
What Color Were Dinosaurs? Movies often depict dinosaurs as being greenish brown -- is that based in fact?
Asteroid

Asteroid Metals Tempt Would-Be Miners on Earth

This week an asteroid passed by Earth that was worth an estimated $5 trillion in platinum! Is it possible to mine precious metals in space?

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