Several factors, from geography to group identity, helped this traditional body art endure—even as similar practices were lost in other cultures -- Read more on ScientificAmerican.com
The monkeys lower the pitch of their "whinnies" when they're far from the rest of their group, which might help the calls travel further through jungle foliage. Christopher Intagliata... -- Read more on ScientificAmerican.com
A new theory challenges assumptions about when and how our ancestors altered their behaviors to boost brainpower -- Read more on ScientificAmerican.com
Scientists tracked bumblebee queens with radar when they emerged from hibernation and found the bees take only brief flights en route to a new nest. Christopher Intagliata reports. -- Read more on ScientificAmerican.com