Lori Garver

Aug. 02, 2013

For Asteroid Ideas, NASA Looks to the Crowd

When NASA asked the public for ideas on tracking and exploring asteroids, the agency received more than 400 ideas.

space, nasa, asteroid grand challenge, rfi, lori garver, asteroid tracking, asteroid defense

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Michael Pollan Talks Plants and Food

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How Humpbacks Hunt With Bubbles

Humpback whales blow bubbles around schools of fish to concentrate them for easier capture. It's called a bubble net, says David Wiley, research coordinator for Stellwagen Bank National Marine Sanctuary, and it's visible as a ring of bubbles at the surface. Now, with underwater digital tracking tags and custom visualization software, whale researchers can see what the whales are doing underwater when they're bubble-netting.

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