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AnimalsFlu fighter found in frog slime
A protein found in the mucus secretions of an Indian frog can take down a type of flu virus, a new study finds.
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ArchaeologyThis hominid may have shared Earth with humans
Newfound fossils in South Africa point to a far more recent age for Homo naledi than had been accepted. If correct, this hominid might have coexisted with humans — even interacted with our species.
By Bruce Bower -
PhysicsThese antennas turn anything into a radio station
Engineers have developed antennas that can turn ordinary objects — even posters — into radio stations.
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EarthDeath by asteroid may come in unexpected ways
Most deaths from an asteroid impact would likely come from shock waves and winds, not earthquakes and tsunamis. That's the conclusion of new studies. The good news: Such killer space rocks are quite rare.
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Health & MedicineActive teens build strong bones for life
Adult bones develop much of their strength during adolescence. That’s why teens should stay active with running, jumping and other weight-bearing exercises, a new study finds.
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BrainScientists Say: Hippocampus
The hippocampus is an area of the brain that is essential for forming new memories.
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ArchaeologyStone Age dentists treated cavities with tar
Is Italy the home of dentistry? That’s where treated tooth decay has been found, dating back 14 millennia. Cavities appear picked clean with sharp tools. Ouch!
By Bruce Bower -
ChemistrySteady heartbeats may depend on white blood cells
Biologists have just found a new role for germ-fighting white blood cells. In the heart they appear to serve as pacemakers so that the heart beats regularly.
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ClimateCool Jobs: Head in the clouds
What do a microbiologist, an atmospheric scientist and a materials engineer have in common? They’ve all got their heads in the clouds.
By Beth Geiger -
Health & MedicineAnalyze This: Real data on lead levels in school drinking water
The metallic element lead can be toxic if ingested. To keep students safe, many schools now test their water. Some have found dangerously high levels.
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Health & MedicineSearching for better, cooler friends might backfire
When people try to find the best possible people to hang out with, they become less happy in life, a new study finds.
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Health & MedicineStar Trek gets closer to becoming home tech
Inspired by Star Trek, inventors have created handheld devices to diagnose common medical ailments.