News
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EcosystemsHow kelp forests off California are responding to an urchin takeover
A pair of studies reports 95 percent loss of kelp forests along the northern coast while sea otters are helping maintain surviving kelp farther south.
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Science & SocietyParents in Western countries report the highest levels of burnout
The first survey comparing parental exhaustion across 42 countries links it to a culture of self-reliance.
By Sujata Gupta -
AstronomyThe ‘USS Jellyfish’ emits strange radio waves from a distant galaxy cluster
The unusual pattern of radio waves dubbed the USS Jellyfish tells a story of intergalactic gas meeting black hole by-products.
By Ken Croswell -
AnimalsA toxin behind mysterious eagle die-offs may have finally been found
A 20-year study of water weeds and cyanobacteria in the southern United States pinpoints a bird-killing toxin, and it's not your usual suspect.
By Susan Milius -
AnimalsA gene defect may make rabbits do handstands instead of hop
Mutations in a gene typically found throughout the nervous system rob rabbits of their ability to hop. Instead, the animals walk on their front paws.
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Health & MedicineAstraZeneca’s COVID-19 vaccine holds up in an updated analysis of trial data
The redo dropped the overall efficacy of AstraZeneca’s vaccine from 79 percent to 76 percent. But a slight fluctuation is not unexpected, experts say.
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LifeA plant gene may have helped whiteflies become a major pest
An agricultural pest may owe part of its success to a plant detox gene it acquired long ago that lets the insect neutralize common defenses.
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AnimalsOctopus sleep includes a frenzied, colorful, ‘active’ stage
Four wild cephalopods snoozing in a lab had long stretches of quiet napping followed by brief bursts of REM-like sleep.
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AnthropologyHow using sheepskin for legal papers may have prevented fraud
Removing fat is key to turning animal skin into parchment. With sheepskin, the process creates a writing surface easily marred by scratched-out words.
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PhysicsAtomic clocks take a step toward redefining the second
Measurements of the clocks’ frequencies provide the most precise clock comparisons yet, with uncertainties less than a quadrillionth of a percent.
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AstronomyA new black hole image reveals the behemoth’s magnetic fields
A new analysis of Event Horizon Telescope data from 2017 brings to light the magnetic fields twisted around the black hole at the core of galaxy M87.
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AnimalsDim lighting may raise the risk of a West Nile virus exposure
Dimly lit nights increased risk of West Nile virus exposure in chickens. Artificial light proved a better predictor of risk than population or paving.