Life
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We summarize the week's scientific breakthroughs every Thursday.
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LifeHow thin, delicate butterfly wings keep from overheating
Structures in butterfly wings help living tissues such as veins release more heat than the rest of the wing.
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LifeThe board game Oceans captures the beauty and ferocity of marine life
North Star Games' Oceans refines the gameplay of its predecessor, Evolution, and creates an immersive, nuanced game world.
By Mike Denison -
NeuroscienceBrain cells called microglia eat away mice’s memories
Immune cells that eliminate connections between nerve cells may be one way that the brain forgets.
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AnimalsBeaked whales may evade killer whales by silently diving in sync
To slip past predators, beaked whales appear to synchronize their deep dives, staying silent while not hunting and ascending far from where they dove.
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NeuroscienceInjecting nanoparticles in the blood curbed brain swelling in mice
Nanoparticles divert inflammation-causing cells away from the brain after a head injury, a mouse study shows.
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EcosystemsFewer worms live in mud littered with lots of microplastics
The environmental effects of microplastic pollution are still hazy, but new long-term, outdoor experiments could help clear matters up.
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LifeEngineered honeybee gut bacteria trick attackers into self-destructing
Tailored microbes defend bees with a gene-silencing process called RNA interference that takes on viruses or mites.
By Susan Milius -
GeneticsA new genetic analysis reveals that modern Africans have some Neandertal DNA too
Humans migrating back to Africa brought genetic material from humans’ extinct Neandertal relatives along for the ride.
By Bruce Bower -
LifeHow pandas use their heads as a kind of extra limb for climbing
Short legs on a stout bear body means pandas use a rare technique to climb up a tree.
By Susan Milius -
NeurosciencePsilocybin may help cancer patients with depression and anxiety for years
A study hints that a hallucinogen found in magic mushrooms could reshape how people cope with hard diagnoses over the long term.
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ArchaeologyA Siberian cave contains clues about two epic Neandertal treks
Stone tools and DNA illuminate an earlier and a later journey eastward across Asia.
By Bruce Bower -
PaleontologyA squid fossil offers a rare record of pterosaur feeding behavior
150 million years ago, a pterosaur attempted to snatch a squid from the ocean surface and lost a tooth in the process.