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Medical Xpress / In Canada, immigration status is associated with length of ICU stay after stroke

Among people who have a stroke in Canada, immigrants were admitted to the intensive care unit (ICU) at similar rates to long-term residents or people who were born in Canada, but they were more likely to have longer stays ...

17 hours ago
Phys.org / Giant impact could have formed an intact moon within five hours, simulations suggest

New Southwest Research Institute (SwRI) modeling, conducted in collaboration with scientists at the University of Arizona, shows fundamental differences in how the moon may have formed from the giant impact that created the ...

Sep 1, 2026
Phys.org / Peacock-like displays outpace antlers and tusks in evolutionary change, model suggests

Many animal species, ranging from peacocks and birds of paradise to some lizards, fish and beetles, display physical features or ornaments that can attract potential mates. These ornaments can include colorful plumage, elaborate ...

Sep 2, 2026
Phys.org / One unexplained event could hint at heavy dark matter

An unexplained signal detected by the world's most sensitive dark matter experiment could mark a major breakthrough in the hunt for the elusive substance, according to an analysis involving scientists from the University ...

Sep 1, 2026
Phys.org / Interstellar travel V: Warp drives, wormholes, and halo drives

Welcome back to our series on Interstellar Travel, where we look at the many proposals made for sending missions to the stars since the dawn of the Space Age. In our first installment, we examined how Cold War-era developments ...

Aug 31, 2026
Medical Xpress / How cannabis legalization affects substance use

The legalization of cannabis affects substance use, with the potential for both negative and positive effects on public health, a new McGill-led study found.

Aug 31, 2026
Medical Xpress / Low-dose THC keeps breast cancer cells in tumor models from reverting to an aggressive state

Recent discoveries have revealed that breast cancer cells are more flexible than previously thought. Some can change from a differentiated state, when a mature cell has taken on a specific function, back to a more stem-like ...

Sep 1, 2026
Phys.org / Aboriginal artists painted giant ancestral beings as colonization arrived, study finds

Slithering across the ceiling of an Australian rock shelter is a giant snake with a crocodile-like head, razor-sharp teeth and a long tongue. It's more than 6 meters (20 feet) long, making it one of the largest Rainbow Serpent ...

Aug 30, 2026
Phys.org / Geomagnetic superstorm shook GPS accuracy across the US—its timing may have averted agricultural losses

On Nov. 11, 2025, Earth experienced a severe geomagnetic storm triggered by solar flares and coronal mass ejections from an active sunspot region. While this kind of storm brings beautiful auroras admired in many areas around ...

Sep 1, 2026
Phys.org / Eight-letter DNA alphabet is accurately transcribed by a natural enzyme

All known life on Earth uses the same genetic alphabet, consisting of four letters. Now, researchers at the University of California San Diego have demonstrated that one of biology's most essential enzymes can accurately ...

Sep 2, 2026
Tech Xplore / A new kind of AI that does its thinking cheaply without words

There may soon be a new kind of artificial intelligence in town, one that uses a novel approach to thinking that could save massive amounts of computing power and money.

Sep 1, 2026
Phys.org / A supermassive black hole erupted in X-rays, and its radio jets followed 300 days later

By combining roughly two decades of observations from NASA's Swift X-ray Telescope with radio monitoring, astronomers have caught a supermassive black hole at the heart of the Perseus Cluster suddenly flaring in X-rays, and ...

Sep 1, 2026