Uncategorized
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PhysicsScientists Say: Potential energy
This is the energy an object has because of its position or condition.
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AnimalsPicking a better porch light
Lights can vary in brightness and ‘color’ — even those that are sold as white. A new study tested which lights attracted the most bugs.
By Sid Perkins -
AnimalsRoadkill : Learning from the dead
Roadkill can be more than a smooshed-up carcass. Scientists study these highway casualties to learn more about wildlife and their environments.
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BrainEarly intro to sign language has lasting benefits
Children introduced to sign language as babies performed better on mental-processing tasks at age 12 — and as adults — than did people who learned sign language at age 3.
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BrainConcussed brains need time to heal
Researchers working with mice found that allowing the body to rest after a concussion gave brain cells time to heal and reconnect with each other.
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Health & MedicineFrom lime green … to lime purple?
Citrus with health-boosting purple plant pigments don’t usually grow in warmer climates. Genetic engineering could change that.
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Health & MedicineScientists Say: Zika
Zika virus has burst into the news because it is linked with microcephaly — a condition where babies are born with small heads.
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BrainVaping may threaten brain, immunity and more
New studies of e-cigarette vapor in animals and human cells find new risks to gene activity, behavior and male sperm.
By Janet Raloff -
AnimalsPicture This: Christmas tree worms
The tops of Christmas tree worms look like brightly colored plants. But they are really boneless marine animals with eyes that can breathe and gills that can see.
By Susan Milius -
AgricultureA shock to the food system
Droughts and other weather extremes caused by climate change are dramatically increasing the risk of short-term interruptions in the supplies of food.
By Sid Perkins -
PhysicsSay hello to gravity waves
Einstein predicted these waves 100 years ago. Scientists have finally proven him right.
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Health & MedicineFlexible electronics track sweat
A flexible, wireless health monitor that can wrap around the wrist tracks temperature and analyzes sweat to detect signs of too much water loss.
By Meghan Rosen