News
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HumansLidar reveals the oldest and biggest Maya structure yet found
A previously unknown Maya site in Mexico, called Aguada Fénix, adds to evidence that massive public works may have preceded kings in the civilization.
By Bruce Bower -
Health & MedicineWhat parents need to know about kids in the summer of COVID-19
So far, evidence suggests children don’t often get severely ill from COVID-19, but there’s more to learn about their role in its spread.
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LifeThese 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.
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HumansThe Dead Sea Scrolls contain genetic clues to their origins
Animal DNA is providing researchers with hints on how to assemble what amounts to a giant jigsaw puzzle of ancient manuscript fragments.
By Bruce Bower -
EarthChicxulub collision put Earth’s crust in hot water for over a million years
An asteroid impact 66 million years ago caused hot fluids to circulate in the crust, creating conditions that may have been ideal for microbial life.
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SpaceA weird cosmic flare called the ‘Cow’ now has company
Scientists have now found three similar luminous, short-lived bursts of light, part of a class known as fast blue optical transients.
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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.
By Susan Milius -
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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Planetary ScienceMeteorites might be more likely to strike near the equator
Meteorites from Antarctica have helped scientists assess the total number likely to hit Earth every year — and where they are most likely to fall.
By Shannon Hall -
ArchaeologyA biblical-era Israeli shrine shows signs of the earliest ritual use of marijuana
Chemical analyses reveal a residue of cannabis and animal dung on an altar from a biblical-era fortress in use more than 2,700 years ago.
By Bruce Bower -
ClimateHow more powerful Pacific cyclones may be fueling global warming
Increasingly strong storms in the North Pacific may be speeding up the fast-moving Kuroshio Current — which could bring more heat to high latitudes.