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Stories by Mark Fischetti

Who Eats Whom under the Arctic Sea Ice [Video]

Who Eats Whom under the Arctic Sea Ice [Video]

San Francisco — Although polar bears and seals have become the poster children for vanishing sea ice in the Arctic, they have thrived for a long time.

December 17, 2014 — Mark Fischetti

Less Sleep Means More Stress for Teens

Teens stay up late at night and sleep late into the morning, a result of a natural shift in their circadian rhythms. That biological schedule puts them at odds with the adult world, as well as early start times for high school...

December 10, 2014 — Mark Fischetti

Robot Athletes Got Game [Video]

From baseball to billiards, robots are improving their play, even competing in the RoboCup and RoboGames

November 27, 2014 — Mark Fischetti

Are You A Pre-crastinator?

Each of us, at times, can be a procrastinator, putting off something that is hard to do or that we don't want to do. But three researchers at Pennsylvania State University think we humans may also be precrastinators—hurrying to get something done so we can cross it off our mental to-do list, even if the [...]..

September 23, 2014 — Mark Fischetti
Sleepy Teens: High School Should Start Later in the Morning

Sleepy Teens: High School Should Start Later in the Morning

High school begins across the U.S. this week and next. And it begins too early! Too early in the day, that is. Ask any groggy teenager waiting for a bus or yawning in "home room" and he or she will tell you that it's just too darn early in the morning to learn chemistry equations [...]..

August 26, 2014 — Mark Fischetti

Introducing Scientific American Health & Medicine

Introducing Scientific American Health & Medicine