Christopher McKay

Sep. 06, 2013

Life From Mars

Could Mars have been a better starting point for the origins of life on Earth?

Christopher McKay, steve brenner, mars, life on mars, earth, life on earth

Feb. 06, 2009

Contaminating Planets

What steps should planetary explorers take to prevent contaminating other planets with life from Earth?

planet, mars, earth, biology, astrobiology

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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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