Matthew Walker

Jun. 05, 2015

What Is Sleep? A 'Superpower,' a 'Power Cleanse'

In his latest "Flame Challenge," Alan Alda asked people to answer the question: "What is sleep?" We talk with the winning respondents.

sleep, eric galicia, brandon aldinger, alan alda, matthew walker, sleeping, snoozing, napping, nap

Feb. 08, 2013

Science of Slumber: How Sleep Affects Your Memory

How much sleep does your brain need? Experts discuss the links between sleep, memory, and cognition.

memory, sleep, cognition, NIH

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Michael Pollan Talks Plants and Food

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Science Goes to the Movies: Jurassic World

Paleontologists Lindsay Zanno and Kenneth Lacovara share what made them clap—and cringe—while watching Jurassic World.

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