Uncategorized
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Scientists Say: Replication
A scientist can run an experiment and get a result. But that result won’t be truly trustworthy until other scientists rerun the tests and replicate the findings.
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ClimateCool Jobs: Careers on ice
From Greenland to Utah to Jupiter, scientists unlock mysteries frozen in ice.
By Beth Geiger -
Health & MedicineOuchless measles vaccine could save lives
A new ‘ouchless’ vaccine patch that uses dissolving microneedles could make efforts to vaccinate against measles more practical.
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EarthTiny air pollutants are big, big killers
Air pollution now ranks as the world’s fourth leading cause of death. About 5.5 million deaths in 2013 trace to just one type, called particulates.
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Health & MedicineNew devices coming to assist the disabled
New technologies, including motorized prosthetics and stair-climbing wheelchairs, could someday help people overcome a range of disabilities.
By Sid Perkins -
PhysicsNew football helmets could limit brain injuries
A new design for football helmets uses three layers to absorb energy from repeated impacts. The result should be fewer athletes with brain injuries.
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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.