Charles Czeisler

Jan. 16, 2015

Tablets and Smartphones Might Be Sapping Your Sleep

Researchers say using tablets and smartphones before bedtime can shift your circadian rhythms.

charles czeisler, sleep, circadian rhythms, awake, mobile phones, smartphones, blue screen, tablets

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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Teaching Ancient Nautilus New Tricks

\tWith its heavy outer shell, weak vision, and primitive brain, the nautilus lacks much of the excitement of the more flashy and cunning cephalopods. Yet a series of experiments by evolutionary biologists Dr. Jennifer Basil and Robyn Crook involving fish juice, blue lights, and mazes dispels the notion that this ancient species is incapable of basic learning and throws into question the origins of cephalopods' intellectual prowess.

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