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Like brain cells, kidney cells can ‘remember’

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Scientists found memory’s molecular machinery at work in cells outside the nervous system.

Published: 2024-11-26 16:00:00

China’s famously rich dinosaur fossil beds get a new origins story

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Cave-ins and floods may have buried the Cretaceous creatures of the fossil Jehol Biota rather than volcanic eruptions, a new study claims.

Published: 2024-11-26 13:00:00

From electric cars to wildfires, how Trump may affect climate actions

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Trump’s first term, campaign pledges and nominees point to how efforts to address climate change and environmental issues may fare.

Published: 2024-11-25 16:00:00

Dengue is classified as an urban disease. Mosquitoes don’t care

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Infectious diseases are often labeled “urban” or “rural.” Applying political labels to public health misses who is at risk, experts argue.

Published: 2024-11-25 14:00:00

Refurbished heart pacemakers work like new

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“Old” pacemakers may still work for years, so doctors are refurbishing used devices and donating them to patients in low- and middle-income countries.

Published: 2024-11-22 21:30:00

Ancient Central Americans built a massive fish-trapping system

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Earthen channels directed fish into ponds that formed seasonally, providing a dietary bounty for Maya civilizations starting around 4,000 years ago.

Published: 2024-11-22 19:00:00

Satellite space junk might wreak havoc on the stratosphere

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Hundreds of defunct satellites plunge toward Earth every year. Scientists are studying how the chemical stew left in their wake impacts the atmosphere.

Published: 2024-11-22 14:00:00

Scientists identify a long-sought by-product of some drinking water treatments

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Chlorine-based water treatments create many by-products, but one has been elusive. Its identification sets the stage for studying its health effects.

Published: 2024-11-21 19:00:00

For adult chimps, playing may be more important than previously thought

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A multiyear study of dozens of wild, adult chimps suggests that play helps reduce tension and boost cooperation among individuals.

Published: 2024-11-21 16:00:00

This is the first close-up image of a star beyond our galaxy

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The first-ever close-up of an extragalactic star looks different than expected and might give a view of what stars look like at the end of their lives.

Published: 2024-11-21 13:00:00

Mars’ potato-shaped moons could be the remains of a shredded asteroid

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Phobos and Deimos could have formed from asteroid debris, a new study suggests. An upcoming sample return mission will help test the idea.

Published: 2024-11-20 18:33:51

Here’s why turning to AI to train future AIs may be a bad idea

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If future AI models are trained on AI-generated content, they could end up producing more bias and nonsense, researchers caution.

Published: 2024-11-20 14:00:00

Climate change has amped up hurricane wind speeds by 29 kph on average

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Every single Atlantic hurricane in 2024 had wind speeds supercharged by warming seas. One even jumped two categories of intensity.

Published: 2024-11-20 11:00:00

Einstein’s gravity endures despite a dark energy puzzle 

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The DESI project previously reported that dark energy — long thought to be constant — changes over time. A new analysis reaffirms that claim.

Published: 2024-11-20 01:00:00

Vaccines, fluoride, raw milk: How RFK Jr.’s views may shape public health

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If confirmed as head of the Department of Health and Human Services, Kennedy could influence U.S. policy on vaccines, drugs and food safety.

Published: 2024-11-19 18:00:00

Nature’s first fiber optics could light the way to internet innovation

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Mineral crystals in heart cockles’ shells protect symbiotic algae from ultraviolet rays and could lead to innovations in internet infrastructure.

Published: 2024-11-19 16:00:00

Youth tobacco use has gone down, but the work isn’t over

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In 2024, tobacco use among middle and high school students reached a record low, but new vapes and other products with nicotine keep coming.

Published: 2024-11-19 14:00:00

Keeping weight off may be stymied by fat cells’ ‘memory’ of obesity

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Some genetic changes in fat cells don’t go away after weight loss, a study in mice and human cells suggests.

Published: 2024-11-18 16:00:00

Some people don’t have a mind’s eye. Scientists want to know why

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The senses of sight and sound are usually mingled in the brain, but not for people with aphantasia.

Published: 2024-11-18 14:00:00

Readers ask about self-correcting quantum computers, oobleck’s experimental value

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Readers wondered if mayo qualifies as a non-Newtonian fluid, and X user @Lightning456243 asked how a quantum computer can identify its own errors.

Published: 2024-11-16 12:00:00

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