Uncategorized
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Archaeology
Hair analysis reveals Europe’s oldest physical evidence of drug use
Analyses of human hair found in a Mediterranean cave turned up psychoactive plant substances, revealing use of hallucinogens around 3,000 years ago.
By Bruce Bower -
Planetary Science
Venus has almost 50 times as many volcanoes as previously thought
Where are there NOT volcanoes on Venus? A new map of the planet unveils a veritable volcanic bonanza.
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Astronomy
A stream of cold gas is unexpectedly feeding the far-off Anthill Galaxy
The finding suggests that early galaxies might have gained more of their bulk from streams of cold gas instead of in violent galaxy collisions.
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Math
Here’s why the geometric patterns in salt flats worldwide look so similar
New research suggests the shared geometry of salt flats from Death Valley to Iran comes from fluid flows underground.
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Life
How some beetles ‘drink’ water using their butts
Red flour beetles, a major agricultural pest, suck water out of the air using special cells in their rear ends, a new study suggests.
By Freda Kreier -
Science & Society
Here are the Top 10 threats to the survival of civilization
These aren’t just movie scenarios. From aliens and asteroids to pandemics, war and climate change, civilization as we know it is at risk.
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Physics
The W boson might not be heavier than expected after all
A new and improved look at the mass of the W boson is in close alignment with theory, but it doesn’t negate an earlier, controversial measurement.
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Archaeology
What did Homo sapiens eat 170,000 years ago? Roasted, supersized land snails
Charred shell bits at an African site reveal the earliest known evidence of snail-meal prep, suggesting ancient humans cooked and shared the mollusks.
By Bruce Bower -
Planetary Science
Planets without stars might have moons suitable for life
Thanks to gravitational squeezing by their host planets, some moons of rogue planets could stay warm for over a billion years, simulations suggest.
By Bas den Hond -
Did artificial intelligence write this editor’s note?
Editor in chief Nancy Shute discusses the implications of artificial intelligence tools like ChatGPT for education, journalism and more.
By Nancy Shute -
Health & Medicine
A new battery starves cancer cells of oxygen in mice
When a self-charging battery is placed on a mouse’s tumor and combined with anticancer drugs, it reduced tumor size by 90 percent.