John M. Logsdon

May. 27, 2011

President Kennedy's "Moon Speech" Turns 50

What is the legacy of the Apollo missions to the moon?

moon space history apollo

Jan. 23, 2009

The Road Ahead for NASA

Will the shift in administration mean a re-ordering of national space policy? We'll talk with a space policy expert about prospects for the space agency and human space flight.

space, nasa, orion, space flight, moon, mars

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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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