Video
We summarize the week's scientific breakthroughs every Thursday.
- Neuroscience
Rocking puts adults to sleep faster and makes slumber deeper
People sleep better when their beds are gently rocked, a small study finds.
- Animals
Young emperor penguins brave icy, winter waters in their first year
Young emperor penguins learn survival skills on their own, including how to navigate Antarctica’s icy winter ocean.
- Paleontology
A four-legged robot hints at how ancient tetrapods walked
Using fossils, computer simulations and a life-size walking robot, researchers re-created how an early tetrapod may have made tracks.
- Planetary Science
Two daring spacecraft aim to bring asteroid dust back to Earth
A pair of daredevil spacecraft that aim to bring asteroid dust back to Earth have reached their targets and are scouting for the best sampling spots.
- Animals
How worm blobs behave like a liquid and a solid
Blobs of worms flow like a fluid, plop like a solid and fascinate scientists.
- Physics
High-speed video reveals physics tricks for shooting a rubber band
To fire a rubber band flawlessly, use a wide band and don’t pull too hard, physicists suggest.
- Physics
The physics of fluids explains how crowds of marathon runners move
A new liquid-inspired theory can predict the movements of marathoners lining up for a race.
- Astronomy
What happens in Earth’s atmosphere during an eclipse?
The charged layer of Earth’s atmosphere gets uncharged during an eclipse, and that could have implications for everything from GPS accuracy to earthquake prediction.
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- Astronomy
30 years later, supernova 1987A is still sharing secrets
The 1987 explosion of a star near the Milky Way 30 years ago set off years of fascinating findings.
- Ecosystems
Dam demolition lets the Elwha River run free
Removing a dam involves more than impressive explosions. Releasing a river like Washington state's Elwha transforms the landscape and restores important pathways for native fish.
