Life
These tube-shaped creatures may be the earliest known parasites
Fossils from over 500 million years ago might be the first known example of parasitism in the fossil record, though the evidence isn’t conclusive.
Life
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LifeMore ‘murder hornets’ are turning up. Here’s what you need to know
Two more specimens of the world’s largest hornet have just been found in North America.
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GeneticsGenetic risk factors for Alzheimer’s also raise the risk of getting COVID-19
People who have the APOE4 genetic variant appear to be more vulnerable to the disease, but it’s unclear why.
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LifeNeon colors may help some corals stage a comeback from bleaching
When some corals bleach, they turn bright colors. Stunning hues may be part of a response that helps the corals recover and reunite with their algae.
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AnimalsNew species of scaly, deep-sea worms named after Elvis have been found
A genetic analysis sheds new light on funky scale worms with glittery, scales reminiscent of sequins on the “The King’s” iconic jumpsuits.
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NeuroscienceHow coronavirus stress may scramble our brains
The pandemic has made clear thinking a real struggle. But researchers say knowing how stress affects the brain can help people cope.
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LifePollen-deprived bumblebees may speed up plant blooming by biting leaves
In a pollen shortage, some bees nick holes in tomato leaves that accelerate flowering, and pollen production, by weeks.
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GeneticsThe oldest genetic link between Asians and Native Americans was found in Siberia
DNA from a fragment of a 14,000-year-old tooth suggests that Native Americans have widespread Asian ancestry.
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ChemistryHere’s a clue to how this tube worm’s slime can glow blue for days
Mucus oozed by a marine tube worm can glow for up to 72 hours. New results suggest that the light may sustain itself through some clever chemistry.
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PaleontologySaber-toothed anchovy relatives hunted in the sea 50 million years ago
Unlike today’s plankton-eating anchovies with tiny teeth, ancient anchovy kin had lower jaw of sharp spikes paired with a single giant sabertooth.