The Very Human Stressor That Causes Rats to Seek Out Weed, Too
Explore If the holidays have you stressed and desperately searching for a little “me” time to pop a…
The Universe Is a Mirror
Explore Italo Calvino felt it even before all the data were in. “The universe is a mirror,” the…
What Made Horses Rideable
Explore When humans began to charge across plains and mountains on the sleek backs of horses, it changed…
Culture Overtakes Genes in Human Evolution
Explore From epic poetry to game shows, from Stone Age axes to spaceflight, humans have the most complex…