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All Stories by Ashley Yeager
New training builds ‘mental’ muscles in athletes
The training builds focus and resiliency while limiting the self-doubt that can cripple competitors’ ability to perform at their peak.
Evening screen time can sabotage sleep
Blue light from electronic devices can impair the body’s ability to sleep, making it hard to focus in the morning.
Early Earth may have been a hot doughnut
Synestia is the name some scientists are giving to the smooshed shape Earth might have developed after undergoing a violent cosmic smashup early in its infancy.
Half the Milky Way may be stolen material
A galaxy may import up to half of its atoms from other celestial bodies. That suggests much of our Milky Way has foreign origins, new simulations suggest.
Antarctic ice shelf sheds Delaware-sized iceberg
Larsen C is a major ice shelf in Antarctica. An iceberg the size of Delaware has just splintered off of it in one of the largest calving events ever recorded.
Trees can make summer ozone levels much worse
The greenery can release chemicals into the air that react with combustion pollutants to make ozone. And trees release more of those chemicals where it gets really hot, a new study finds.
Jupiter gets surprisingly complex new portrait
NASA’s Juno spacecraft has sent back unexpected details about Jupiter, giving scientists their first close-up of this gas giant.
How the solar system’s tail disappeared
A bubble envelops the planets and other material in the solar system. New data show it does not have a long tail but is round.
Keeping space missions from infecting Earth and other worlds
Scientists are always looking for ways to stop Earthly microbes from polluting other planets. The same goes for bringing bits of other planets back to Earth.
Cool Jobs: A world aglow
Three scientists probe how the natural world makes light, in hopes of using this information to design new and better products.
Health & Medicine
Jiggly gelatin: Good workout snack for athletes?
Eating a vitamin-rich, Jell-O-like snack could help the body make the collagen needed to repair bones and ligaments that can be damaged by exercise.
Giant cave crystals may be home to 50,000-year-old microbes
Microbes trapped in crystals in Mexico's Naica mine may represent some of the most distinct life forms ever found. The microbes have remained dormant for up to 50,000 years.