Charles Killian

Apr. 19, 2013

Studying Earth to Learn About Mars

Planetary scientists and future explorers are trying to learn about our neighboring planet without ever leaving Earth.

mars, red planet, planetary sciences, geology, rock formation, blueberries, mars society, mars exploration, mdrs, mars desert research station, Marjorie Chan, Charles Killian

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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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