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 2:00pm12/05/12 2:00pm

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 3:30pm8/31/12 3:30pm

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 2:06pm2/08/11 2:06pm