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

What really caused the Oracle at Delphi to utter mad prophesies?

The Oracle at Delphi is referenced throughout Greek myths and history. Supposedly she was rendered psychic by Apollo. Practically, she was off her skull on gas that seeped out of the fissures of the temple in which she lived. Here is the scientific explanation for what caused this woman to utter her confused… » 12/05/12 11:00am 12/05/12 11:00am

Weekend Experiment: How to set an invisible trap for soap bubbles

Like most people, you probably spent a portion of your childhood with a bubble wand in your hand. And you probably know that bubbles are mercurial little guys — always zooming away and popping when you catch them. But there's little way to trap them without popping them. With carbon dioxide and a little practice, you… » 8/31/12 12:30pm 8/31/12 12:30pm

How Mongolian hordes reduced the Earth's carbon footprint

In the 1200s, Genghis Khan and the Mongolian army built an empire that stretched from the Pacific Ocean to central Europe, ruling over a fifth of all land on Earth and over 100 million people. And all that conquering reshaped the Earth, reducing carbon dioxide levels enough to offset a year's worth of gasoline usage… » 2/08/11 11:06am 2/08/11 11:06am

Evil Carbon Dioxide Threatens Us From Above

Earlier this week we reported on the magnetic anomaly map of the world » 10/11/08 9:00am 10/11/08 9:00am, and now there is evidence of a more pressing concern: carbon dioxide. Don't believe me? Consult the details of a recent collaboration between NASA and Caltech - Carbon dioxide rides about the world on warm atmospheric belts to threaten the ones…