News
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Anthropology
These ancient flutes may have been used to lure falcons
Seven bird-bone flutes unearthed from a site in northern Israel are about 12,000 years old and may have been used as bird calls.
By Sid Perkins -
Health & Medicine
Taurine slows aging in mice. Will it ever work for people?
The amino acid taurine — found in meats, produced by the body and common in energy drinks — may have a role in health and aging, a new study suggests.
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Animals
RNA editing helps octopuses cope with the cold
California two-spot octopuses tweak the proteins they make, potentially to help maintain brain function when temperatures dip.
By Freda Kreier -
Neuroscience
Brain cavities that swell in space may need at least 3 years to recover
MRI scans of astronauts show that duration in space and time between flights affect how much the brain’s fluid-filled cavities expand during missions.
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Astronomy
The Parker Solar Probe may have spotted the origin of high-speed solar winds
Kinks in the magnetic fields near the surface of the sun appear to be the cause of fast-moving flows in the solar wind.
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Astronomy
A simulation of a dying star shows how it could create gravitational waves
Massive jets and an expanding cocoon of debris from a collapsing star could be a source of never-before-seen ripples in spacetime.
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Animals
When and why did masturbation evolve in primates? A new study provides clues
In a first-of-its-kind comparative study, researchers show that primates were masturbating 40 million years ago and that the behavior may help males keep their sperm fresh.
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Life
A gene therapy shot might keep cats from getting pregnant without being spayed
Even after mating with fertile males, females given the cat contraceptive, which targets an ovulation-preventing hormone, did not get pregnant.
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Anthropology
Homo naledi may have dug cave graves and carved marks into cave walls
Proposed discoveries of humanlike activities by these ancient, small-brained hominids have elicited skepticism from some researchers.
By Bruce Bower -
Life
Air pollution monitoring may accidentally help scientists track biodiversity
Filters in air monitoring facilities inadvertently capture environmental DNA, which could give scientists a new tool to track local plants and animals.
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Math
A ‘vampire einstein’ tile outdoes mathematicians’ latest feat
A newfound shape covers an infinite plane with a pattern that doesn’t repeat and without mirror images of the shape.
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Life
Coral reefs host millions of bacteria, revealing Earth’s hidden biodiversity
A new estimate of microbial life living in Pacific reefs is similar to global counts, suggesting many more microbes call Earth home than thought.