Science
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Scientists turn a cancer-promoting protein into a weapon against tumor
Researchers have discovered that a protein known to help cancer cells thrive can also make immune cells more effective at destroying tumors.
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Scientists use lab-grown brain cells to read Braille
Researchers linked tiny lab-grown brain clumps to a touch sensor, and a computer identified Braille letters from their signals.
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Microplastics in water form chemicals that can damage cells
Researchers found that six common plastics release reactive chemicals into water, which damage proteins and mouse red blood cells in the lab.
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A lab mistake exposed how a deadly fungus beats drugs
Candida auris fungal infections are rare in the general population but can be deadly in ICUs. Researchers now report how it can outlast a first-line antifungal drug.
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Scientists build pencil-tip robots to deliver medicine inside a heart
Johns Hopkins engineers built two magnetic robots that team up to deliver antibiotics to heart infections, steered by coils outside the body.
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Why did rocks from the bottom of the Pacific catch fire in a lab?
Two samples from the Pacific seafloor began to smoke when USGS scientists broke them open. That raises fire-safety questions for deep-sea mining.
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Scientists may have found a clue to why octopuses are so smart
A University of Vienna study suggests the way octopus DNA is folded inside cells may have helped these animals evolve their remarkably complex brains.
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Scientists invent tattoos you can turn on and off with light
Researchers developed new tattoo ink that appears under UV light in seconds and fades under white light.
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Scientists find a clue to why big dogs die younger
A Science study of 894 dogs finds that larger breeds lose protective DNA tags on some genes faster with age, a possible clue to shorter lifespans.
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Do drug company lunches change what your doctor prescribes?
A Cochrane review of 93 studies links drug company meals and gifts to less appropriate, costlier prescribing. Here’s how to check your doctor.
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Why are 3,200-year-old swords turning up in this Italian lake?
Archaeologists pulled a Bronze Age blade from Italy's Lake Mezzano, the third sword found there, and no one can yet say how it got into the water.
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Skull fractures hint at human sacrifice in Egypt's First Dynasty
A reanalysis of 46 skulls from royal burials at Abydos found potentially fatal head injuries in 18, supporting a century-old sacrifice theory.
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Gut bacteria make a molecule tied to Alzheimer's brain changes
People with higher levels of a molecule made by gut bacteria lost thinking skills faster, and it worsened Alzheimer's-like changes in mice.
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Animals may be up to 200 million years older than fossils show
An Oxford-led team reworked the molecular clock for animal origins and landed on 800 to 700 million years ago, near the start of Earth's ice ages.
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X-rays reveal what the 'oldest reptile' fossil was hiding
Scans of Lizzie, a 345-million-year-old Scottish fossil, revealed internal gills and thousands of tiny teeth, upending its status as an early reptile.
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New fossils push a key human ancestor back 200,000 years
A 2-million-year-old skull fragment from South Africa may be an adult Homo erectus, predating previously discovered fossils by 200,000 years.
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How close did Nazi Germany really come to a nuclear reactor?
Heavy water, graphite, and uranium: the study tallies what Germany had against what a working reactor required, and the numbers fall well short.
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Earth microbes grow in simulated ocean of Saturn's moon
Scientists put an Earth microbe in a lab-made version of the alkaline ocean beneath the ice of a moon circling Saturn. It grew and made methane.
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Astronomers detect radio signals from a planet 64 light-years away
Astronomers traced auroral radio emission to Beta Pictoris b and used it to make the first direct measurement of an exoplanet's magnetic field.
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Google Earth reveals mysterious giant stone circles in the Andes
A climber spotted a vast stone structure on Google Earth, then trekked nearly four days to reach it. Archaeologists don't yet know who built it.