This is what happens when you get struck by lightning

Only by piecing together the bystander reports, the singed clothing and the burnt skin can survivors start to construct their own picture of the possible trajectory of the electrical current, one that can approach 200 million volts and travel at one-third of the speed of light.

Ending Pain Forever

Steven Pete does not — and has never — felt pain. Pam Costa feels it constantly. A genetic link between them could help researchers turn pain on and off.

Welcome to Pleistocene Park

In Arctic Siberia, Russian scientists are trying to stave off catastrophic climate change—by resurrecting an Ice Age biome complete with lab-grown woolly mammoths.