News
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ClimateAntarctica’s iceberg graveyard could reveal the ice sheet’s future
Drilling deep into the seafloor beneath Antarctica’s “Iceberg Alley” could reveal new clues about how quickly the continent has melted in the past.
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EarthHow deadly, fast-moving flows of volcanic rock and gas cheat friction
Mixtures of hot volcanic rock and gas called pyroclastic flows travel so far by gliding on air, a new study suggests.
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MathMathematicians may have found the fastest way to multiply huge numbers
A new theoretical method for multiplying enormous figures appears to achieve a speed first predicted decades ago.
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LifeHow emus and ostriches lost the ability to fly
Changes in regulatory DNA, rather than mutations to genes themselves, grounded some birds, a study finds.
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AstronomyThis planetary remnant somehow survived the death of its sun
A small, sturdy piece of planet survived the collapse of its sun and now orbits the dead star.
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PlantsA major crop pest can make tomato plants lie to their neighbors
Insects called silverleaf whiteflies exploit tomatoes’ ability to detect damage caused to nearby plants.
By Susan Milius -
Planetary ScienceMetal asteroids may have once had iron-spewing volcanoes
Two groups of scientists introduce the idea of “ferrovolcanism,” or iron volcanoes, that could have occurred on metal asteroids like Psyche.
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PsychologyWhat we know and don’t know about how mass trauma affects mental health
Three people connected to mass shootings have recently killed themselves. Here’s what we know, and don’t, about the lingering effects of mass trauma.
By Sujata Gupta -
PaleontologyNew fossils may capture the minutes after the dinosaur-killing asteroid impact
North Dakota fossils may depict the aftermath of the dinosaur-killing asteroid, but controversial claims about the breadth of the find are unproven.
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GeneticsA Nobel Prize winner argues banning CRISPR babies won’t work
Human gene editing needs responsible regulation, but a ban isn’t the way to go, says Nobel laureate David Baltimore.
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Quantum PhysicsA new quantum engine packs more power than its standard counterparts
A new type of tiny machine harnesses quantum physics to produce more power than a normal engine, under certain conditions.
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AnthropologyThe first known fossil of a Denisovan skull has been found in a Siberian cave
A new fossil and evidence that the hominids interbred with humans as recently as 15,000 years ago only add to Denisovans’ mystery.
By Bruce Bower