Christie Aschwanden

Christie Aschwanden is the author of Beautiful Chickens, a contributing editor for Runner's World, and a columnist for the Washington Post. She blogs about science at Last Word On Nothing.

Want to save the planet? Shrink your habitat — not just your apartment

All that recycling and bicycling and turning off the lights? It’s completely undone the second you step onto an airplane.

The anatomy of denial: Why truth doesn’t always win

Bombarding deniers with more evidence is a losing strategy. If facts threaten someone’s self-identity or their worldview, they will find a way to dismiss them.