News
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Planetary ScienceHere’s how an asteroid impact would kill you
Most deaths caused by an asteroid impact would result from shock waves and winds generated from the blast, rather than effects such as earthquakes and tsunamis, new simulations show.
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AnthropologyWater tubing accidents, table run-ins cause Neandertal-like injuries
People’s injury patterns today can’t explain how Neandertals got so many head wounds.
By Bruce Bower -
ChemistryChemistry controlled on tiniest scale can create hollow nanoparticles
Oxidizing tiny iron particles from the inside out reveals how oxidation works and could offer new vehicles for drugs or energy.
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Health & MedicineLungs enlist immune cells to fight infections in capillaries
Immune cells in the lungs provide a rapid counterattack to bloodstream infections, a new study in mice finds.
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NeuroscienceNerve cell miswiring linked to depression
A gene helps nerve cell axons extend to parts of the brain to deliver serotonin, a brain chemical associated with depression.
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ClimateOcean acidification may hamper food web’s nitrogen-fixing heroes
A new look at marine Trichodesmium microbes suggests trouble for nitrogen fixation in an acidifying ocean.
By Susan Milius -
Quantum PhysicsKey Einstein principle survives quantum test
Particles in quantum superposition adhere to the equivalence principle in atomic test.
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GeneticsAncient DNA bucks tale of how the horse was tamed
DNA from ancient horses reveals early domestication involved plenty of stallions.
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Health & MedicineZika hides out in body’s hard-to-reach spots
Zika virus sticks around in the central nervous system and lymph nodes of monkeys.
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ArchaeologyFirst settlers reached Americas 130,000 years ago, study claims
Mastodon site suggests first Americans arrived unexpectedly early.
By Bruce Bower -
Environment‘Fossil’ groundwater is not immune to modern-day pollution
Ancient groundwater that is thousands of years old is still susceptible to modern pollution, new research suggests.
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Health & MedicineFaux womb keeps preemie lambs alive
A device can keep premature lambs alive for a month in womblike conditions.