News
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ChemistryGut microbes may flush ‘forever chemicals’ from the body
Experiments in mice show that some gut bacteria can absorb toxic PFAS chemicals, allowing animals to expel them through feces.
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Planetary ScienceNew Horizons visited Pluto 10 years ago. We’re still learning from it
Over the past decade, researchers have been puzzling through Pluto’s mysteries. Meanwhile, the New Horizons probe heads for interstellar space.
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AnimalsGreenland sled dog DNA is a window into the Arctic’s archaeological past
A genomic analysis of Greenland’s Qimmeq dogs suggest they and their human partners arrived on the island centuries earlier than previously thought.
By Jake Buehler -
AnimalsAs bird flu evolves, keeping it out of farm flocks is getting harder
New versions of the H5N1 virus are increasingly adept at spreading. Suggestions to either let it rip in poultry or vaccinate the birds could backfire.
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EarthAn ancient Earth impact could help in the search for Martian life
Strange cone-shaped rocks led scientists to the hidden remains of one of Earth’s oldest asteroid impacts. It could help us find fossil life on Mars.
By Douglas Fox -
Health & MedicineThese 5 nutrients might be lacking in your diet
U.S. diets should include more of vitamins D and E, fiber, calcium and magnesium — all are essential nutrients that could offer health benefits.
By Meghan Rosen -
LifeWhy these zombie caterpillars can’t stop eating
Sneaky chemistry by a real-life “Last of Us” Cordyceps fungus mind controls its zombie insect victims by convincing them they’re starving.
By Susan Milius -
PhysicsScientists 3-D printed a tiny elephant inside a cell
The first structures ever 3-D printed inside living cells point to applications for biology research.
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EarthNASA images may help track sewage in coastal waters
Sewage-contaminated water absorbs certain wavelengths of light, leaving a signature that can be detected by space-based instruments, a new study finds.
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AnthropologyA drowned landscape held clues to the lives of ancient human relatives
The remains of extinct Homo erectus dredged from the seabed off Java, along with thousands of animal fossils, are revealing a long-lost ecosystem.
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Health & MedicineChronic low back pain may be less likely if you walk – a lot
Adults who walked more than 100 minutes per day were less likely to have chronic low back pain than those who walked fewer than 78 minutes per day.
By Meghan Rosen -
SpaceA third visitor from another star is hurtling through the solar system
Scientists have found a new interstellar object whizzing toward the sun.
By Celina Zhao