News
- Life
Yawning helps lions synchronize their groups’ movements
A lion yawn is contagious, and when lions start yawning together, they start moving together. Synchronization may be key for group hunters like lions.
- Earth
A spike in Arctic lightning strikes may be linked to climate change
Global warming may be revving up summer thunderstorms in the Arctic, leading to skyrocketing numbers of lightning strikes.
- Physics
Newly made laser-cooled antimatter could test foundations of modern physics
Physicists have finally used laser cooling to tame unruly antimatter atoms. That could allow new tests of symmetry and Einstein’s theory of gravity.
- Paleontology
The dinosaur-killing asteroid impact radically altered Earth’s tropical forests
The asteroid impact fundamentally reset the nature of Earth’s tropical rainforests, decreasing diversity at first and making them permanently darker.
