Charles Czeisler

Jan. 11, 2013

Simulating the Red Planet, On the Pale Blue Dot

What's it like to live -- and cook -- on Mars? To find out, researchers are simulating Mars missions in Russia and on the slopes of a Hawaiian volcano.

mars mission, space travel, spaceflight, simulation, voyage, mission to mars, sleep, daylight, cycles

Mar. 11, 2011

TV And Smartphones May Hamper A Good Night's Sleep

Nearly half of American adults say they rarely get a good night's sleep, according to a new poll.

sleep, tired, technology, rest

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Michael Pollan Talks Plants and Food

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Whale Tales

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Mystery Box

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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