News
- 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.
