News
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AnimalsRNA 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 -
NeuroscienceBrain 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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AstronomyThe 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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AstronomyA 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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AnimalsWhen 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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LifeA 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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AnthropologyHomo 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 -
LifeAir 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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MathA ‘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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LifeCoral 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.
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PhysicsMeasurements of a key radioactive decay nudge a nuclear clock closer to reality
In a step toward building a nuclear clock, scientists measured light emitted when a special type of thorium nucleus decayed.
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AnimalsThese ants build tall nest hills to help show the way home
Desert ants living in the harsh, flat salt pans of Tunisia create towering anthills to aid with navigating the near-featureless terrain.
By Soumya Sagar