News
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Humans
Pieces of Homo naledi story continue to puzzle
Researchers defend Homo naledi as a new hominid species and debate how it reached an underground cave.
By Bruce Bower -
Quantum Physics
Information is physical, even in quantum systems, study suggests
A thermodynamic principle says that deleting information generates heat, and now, scientists say that goes for quantum systems, too.
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Climate
Wildfire shifts could dump more ice-melting soot in Arctic
Wildfires will emit more soot into the air in many regions by the end of the century, new simulations show.
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Environment
EPA boosts estimate of U.S. methane emissions
A new report by the U.S. Environmental Protection Agency revises the agency’s methane emission estimates upward by 3.4 million metric tons.
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Life
Having worms can be good for the gut
Parasitic worms shift gut microbes and protect against bowel disease.
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Ecosystems
Heat may outpace corals’ ability to cope
Corals may soon lose their ability to withstand warming waters.
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Environment
EPA underestimates methane emissions
Methane estimates by the Environmental Protection Agency fail to capture the full scope of U.S. emissions of the greenhouse gas, studies show.
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Quantum Physics
Gamers outperform computer at quantum task
Quantum mechanics may be weird, but a new video game shows that human intuition can still best computers at quantum tasks.
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Neuroscience
Spinal cord work-around reanimates paralyzed hand
A neural prosthesis can bypass a severed spinal cord, allowing a paralyzed hand to once again move.
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Climate
Pollen becoming bee junk food as CO2 rises
Rising CO2 lowers protein content in pollen, threatening nutrition for bees.
By Susan Milius -
Genetics
Some people are resistant to genetic disease
People who should have genetic diseases but don’t may point to new treatments.
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Earth
Most diamonds share a common origin story
Most diamonds form from fluids deep inside Earth’s interior that contain carbonate compounds, new research suggests.