Uncategorized
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AnthropologyModern-day trackers reinterpret Stone Age cave footprints
African trackers help researchers interpret ancient human footprints in French caves.
By Bruce Bower -
AnimalsNewly discovered tiny frogs live on islands in the sky
Scientists find seven new species of frogs in southern Brazil, and more could be waiting, they say.
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AnthropologyHuman laugh lines traced back to ape ancestors
Chimps make laughing faces that speak to evolution of human ha-ha’s.
By Bruce Bower -
Planetary ScienceSaturn’s widest ring measured
Saturn has an invisible belt that's nearly 270 times as wide as the giant planet, researchers report.
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AstronomySome of sun’s magnetic fields may act more like forests
A swaying forest of mangrovelike magnetic fields on the sun could be the answer to why the solar atmosphere is millions of degrees hotter than the surface.
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ArchaeologyBronze Age humans racked up travel miles
A new study indicates long journeys and unexpected genetic links in Bronze Age Eurasian cultures.
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EarthGrand Canyon’s age revised, again
The Grand Canyon is much younger than previous research had suggested, a new study says.
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PaleontologyNew analysis cuts massive dino’s weight in half
Gigantic dinosaur Dreadnoughtus may have weighed only about half of what scientists estimated last year.
By Meghan Rosen -
Science & SocietyIrreproducible life sciences research in U.S. costs $28 billion
Problems with preclinical research often stem from study design and experiments’ materials.
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PhysicsCommon campfire build confirmed as best
A standard method for building fires, making the height about equal to the width, is the most efficient structure for stoking the hottest flames, calculations show.
By Beth Mole -
PaleontologyTraces of dino blood, soft tissue found even in junk bones
Hints of blood and collagen found in poorly preserved dinosaur bones suggest that soft tissue from the creatures may be easier to come by.
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Health & MedicineRotavirus vaccine is proving its worth
Rotavirus vaccination cuts childhood intestinal infection hospitalizations in half.
By Meghan Rosen