Life
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We summarize the week's scientific breakthroughs every Thursday.
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ClimateArctic passageways let species mingle
People aren’t the only animals likely to use passages that open up as the Arctic melts.
By Susan Milius -
Particle PhysicsDark matter helped destroy the dinosaurs, physicist posits
In ‘Dark Matter and the Dinosaurs,’ Lisa Randall finds connections between particle physics, cosmology, geology and paleontology.
By Andrew Grant -
AnimalsAnts’ size and profession controlled by chemical tags on DNA
Epigenetic marks determine whether female Florida carpenter ants are soldiers or foragers.
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Paleontology12 amazing fossil finds of 2015
From an ancient sponge ancestor to the Carolina Butcher, scientists learned a lot about life on Earth this year.
By Meghan Rosen -
AnimalsLemurs chat only with their best friends
Ring-tailed lemurs maintain friendships built with grooming by calling to each other, a new study finds.
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Science & SocietyThese truisms proved false in 2015
Don’t always believe what you hear. These truisms turned out to be false in 2015.
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AnimalsPuff adders appear ‘invisible’ to noses
The snakey scent of puff adders proves difficult for even sensitive animal noses to detect.
By Susan Milius -
PaleontologyBubbles may have sheltered Earth’s early life
Bubbles formed on ancient shorelines offer scientists a new place to look for traces of early life.
By Meghan Rosen -
Health & MedicineAnatomy of the South Korean MERS outbreak
The Middle East respiratory syndrome virus, which infected 186 people in South Korea in 2015, quickly spread within and between hospitals via a handful of “superspreaders.”
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AgricultureNumber of wild bees drops where they’re needed most
Wild bee abundance in the United States is lowest in agricultural regions, according to a new model.
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LifeTweaking the pattern equations
A more than 60-year-old theory about how patterns in nature form gets an update.
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AnimalsFog ferries mercury from the ocean to land animals
Scientists have traced mercury in the waters of the Pacific Ocean to animals, including mountain lions, in California.