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Why soldiers get a kick out of killing

Do some soldiers enjoy killing? If so, why? This question is thrust upon us by the recently released video of U.S. Apache helicopter pilots shooting a Reuters cameraman and his driver in Baghdad in 2007...

April 23, 2010 — John Horgan

To sleep, perchance to dream--and learn

Dreams might be helping your brain do more than express Freudian fixations or practice escapes from prehistoric predators. They are there, in part, to help you learn, according to a new study from Harvard University...

April 22, 2010 — Katherine Harmon

Good teachers really do make a difference

Twin studies have shown that genetic factors can account for as much as 82 percent of the variability in children's reading skills. But while genes might set the bar for reading potential, a new study published April 23 in Science shows that teachers play a leading role in helping kids reach it...

April 22, 2010 — Katie Moisse

Blindsight: Seeing without Knowing It

Is it possible to see something without knowing you can see it? Maybe that's not so hard to imagine if you think of subliminal images flashed for a frame or two on a movie screen—too quickly for you to see consciously but perhaps long enough to add a frisson of fear...

April 22, 2010 — Graham P. Collins

Whale Snot

The question is: what do you use to study the health of whales in the wild? The answer is: not what you’d think. Unlike smaller sea mammals like seals or sea lions, it is very hard to obtain blood samples from whales without first killing them...

April 21, 2010 — Jason G. Goldman

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