All Stories
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Health & MedicineTeens exhibit a zeal to heal
Broadcom MASTERS is the premier middle school science and engineering competition. Several 2014 finalists showed a flair for biomedicine. These young researchers tackled everything from diagnosing cancer early to alerting drowsy drivers before they fall asleep at the wheel.
By Sid Perkins -
Materials Science‘Smart’ windows could save energy
Tiny chemical droplets in a liquid sandwiched between panes of glass turn cloudy when they warm up. This will block some sunlight and potentially save on air conditioning bills.
By Sid Perkins -
BrainScans show aging brains can leak
The blood-brain barrier gets leakier with age. That breakdown could contribute to memory problems.
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FossilsSnakes may have slithered amongst Jurassic dinos
Newly analyzed fossils suggest snakes lived at the same time as the golden age of dinosaurs. These early snakes appear to have had flexible skulls and likely also had four small limbs.
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PhysicsDust erases evidence of primordial gravity waves
In March 2014, scientists claimed to have found the first echoes of the Big Bang — ripples in the very fabric of space. A new analysis shows the experts were mistaken. Dust appears to explain the confusion.
By Andrew Grant -
SpacePicture This: Smiley face in space!
Ancients used to ‘see’ the outline of animals and other well-known things as constellations in the night sky. Now astronomers have done much the same thing. But they’ve spotted a more distant — if totally modern — shape: a smiley face!
By Janet Raloff -
Materials ScienceScientists Say: Colloid
When water hovers in the air as fog and when bits of fat disperse in water as milk, they form a type of substance called a colloid.
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BrainScreen time can mess with the body’s ‘clock’
Reading on an iPad in the evening can make it harder to fall asleep — and harder to wake up the next morning, a new study finds. The light from its screen tinkers with the body’s clock. And that could risk harming your health.
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AnimalsOrangutans take the low road
Cameras spotted orangutans walking down logging roads to get around. That may be a good sign that they can adapt to changes in their woodsy environment.
By Ilima Loomis -
Health & MedicineU.S. outbreak of measles emerges
The United States is experiencing an outbreak of measles. A traveler likely brought in the virus from abroad, which is now spreading. Most of those infected were never vaccinated and could now face serious health risks.
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Health & Medicine10 things to know about measles
Many people think that the measles vaccine wiped out the disease — at least in the United States. It hasn’t. And people who were never vaccinated face the primary risk of getting this very serious disease
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AnimalsHellbenders need help!
Hellbenders already face threats such as habitat loss, pollution and disease. But climate change could make matters worse. And the problems facing hellbenders could spell trouble for more than just these giant amphibians.