News

Animals

Dog breed is a surprisingly poor predictor of individual behavior

Despite the popular conviction that dog breeds are associated with specific traits, breed accounts for only 9 percent of behavioral differences.

Neuroscience

Mom’s voice holds a special place in kids’ brains. That changes for teens

Unfamiliar voices hold special appeal for teens, a sign of a shift from a focus on mostly family to wider networks, brain scans suggest.

Health & Medicine

Joggers naturally pace themselves to conserve energy even on short runs

Data from fitness trackers and treadmill tests challenge ideas about what drives speed.

Plants

Leonardo da Vinci’s rule for how trees branch was close, but wrong

An update to da Vinci’s elegant, 500-year-old “rule of trees” offers a powerful, new way to describe the structure of almost any leafy tree.