The One Basic Fact About History That Time Travelers Always Forget

One of the staples of time travel stories is the idea that our heroes will visit earlier geological periods in Earth's history. Of course — because they'll want to see dinosaurs with ostrich feathers and giant millipedes. But they generally forget something very important about Earth's past. » 10/31/14 11:30am 10/31/14 11:30am

How to induce fear in "fearless" people

The amygdala is popularly referred to as the brain's "fear center," due to the central role it plays in regulating the body's fear response. So pivotal is this small, almond-shaped structure's involvement, that S.M. (a woman whose amygdala has been ravaged by a rare condition known as Urbach–Wiethe disease), has been… » 2/04/13 6:40am 2/04/13 6:40am

Outrun Global Warming By Moving 5 Miles North in the 2010s

It turns out you can outrun global warming - if you move your ecosystem about a half-mile closer to one of the poles every year. A new study suggests you scoot your farm slightly north or south next spring. » 12/31/09 9:00am 12/31/09 9:00am