All Stories
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ClimateDue to global warming, major league hitters are slugging more home runs
Major League Baseball has seen an average of 58 more home runs each season since 2010. The apparent reason: reduced friction on the balls in warmer air.
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TechRecycling rare-earth elements is hard — but worth it
As demand for these valuable metals has been skyrocketing, scientists have begun inventing new — and greener — ways to reuse what they have in hand.
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EarthRare earths’ hidden electrons make much of modern tech possible
Because of their unique chemistry, rare-earth elements can generate powerful magnetic fields and fine-tune light for a wide range of applications.
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EnvironmentRare-earth mining is dirty but key to a climate-friendlier future
That’s spurring new research to find a steady but safer supply of these precious metals, including in the United States.
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BrainIngredients in popular snack foods can make them addictive
Researchers find that highly processed foods rich in sugar and added fat may be as addictive as tobacco.
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PlantsMimosa plant ‘muscles’ fold tickled leaves fast
A mimosa plant uses special cells to close leaflets when bumped and then reopen them — again and again.
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EarthScientists Say: Altitude
Altitude is used to describe heights in geography, astronomy and math.
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TechA new solar-powered gel purifies water in a flash
The unusual, fruit-inspired structure of this material provides quick filtration that could satisfy people's daily water needs.
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AnimalsPeople and animals sometimes team up to hunt for food
Dolphins working with people to catch fish recently made a big splash. But humans have a long history of cooperating with other animals.
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AnimalsPokémon ‘evolution’ looks more like metamorphosis
Pokémon “evolve” into larger, more powerful forms within seconds, but this evolution more closely resembles another biological process — metamorphosis.
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AnimalsThese beetles ‘drink’ water using their butts
Red flour beetles can survive in very dry environments. New research shows how the beetles can suck water from the air using their rear ends.
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PlanetsLet’s learn about Jupiter’s moons
Jupiter has nearly 100 known moons — some of which look like prime spots to search for alien life.