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Medical Xpress / 3D atomic-level snapshots reveal ketamine binds to human opioid receptors

Ketamine, a drug approved for medical use in 1970 as a short-acting anesthetic, including during the Vietnam War for battlefield surgery, is still a pharmacological mystery. For a long time, scientists knew that ketamine, ...

Aug 31, 2026
Phys.org / JWST may solve a 20-year mystery behind a rule-breaking gamma-ray burst

Astronomers may have finally solved the mystery behind a nearly two-decade-old cosmic explosion that seemed to break the rules of physics. The energy output of a powerful gamma-ray burst, GRB 061201, discovered in 2006, did ...

Aug 31, 2026
Medical Xpress / Decoding pet talk may help explain how pets affect our well-being

Every "good girl," every "who wants a treat," every one-sided debate with the cat—University of Arizona researchers have found a way to measure it all.

Sep 1, 2026
Phys.org / Canada's Labrador Shelf preserves climate records once thought erased by ice

The Labrador Shelf is a shallow marine area on the margin of the Labrador Sea in the North Atlantic off the east coast of Canada. During the last ice age, this region was covered by the Laurentide Ice Sheet, one of the largest ...

Sep 1, 2026
Medical Xpress / Your smartwatch may be lying to you about how many calories you burned

If you're depending on your smartwatch to tell you the truth about how many calories you burned during a workout—well, don't.

Sep 1, 2026
Phys.org / AI-informed AdaptiveFlow redefines large-scale cloud computing for drug discovery

Researchers today announced AdaptiveFlow, an AI-informed platform that can virtually screen billions of drug-like molecules with a 1,000-fold reduction in computational costs over existing methods. Developed and validated ...

Sep 1, 2026
Phys.org / Hidden protein recycling hubs discovered inside human sperm cells

Researchers at VIB, VUB and the Medical Research Council Laboratory of Molecular Biology (UK) have discovered a hidden feature of human sperm cells. Using advanced imaging technologies, they discovered specialized compartments ...

Sep 1, 2026
Phys.org / Muddying the waters makes stickleback fish more coordinated, study finds

Stickleback fish can change their social behavior to help them find food in cloudy water, according to a new University of Bristol study published in Proceedings of the Royal Society B.

Sep 1, 2026
Phys.org / A snake-headed vessel hints at a mysterious Roman cult

The ancient Romans were a deeply religious and superstitious people, worshiping dozens of cults—some official and others secretive. One of these was dedicated to Sabazios, a deity from Thrace and Phrygia (regions spanning ...

Aug 31, 2026
Phys.org / Ocean heat waves linked with poorer health among children in coastal communities

Marine heat waves—periods of abnormally warm ocean temperatures—may have negative health effects on children who live in coastal communities in low- and middle-income countries, according to a study led by researchers at ...

Sep 1, 2026
Phys.org / Larger catalyst batches could make carbon recycling cheaper and easier to scale

Turning carbon dioxide into industrial chemicals used in everything from synthetic fuels to plastics and pharmaceuticals is costly. But new research shows it does not have to be.

Sep 1, 2026
Medical Xpress / MS therapy uses patients' red blood cells to curb autoimmune attacks without broadly suppressing immunity

Multiple sclerosis (MS) is a chronic inflammatory autoimmune disease that particularly affects young adults. The disease is driven by immune cells—primarily what are known as T lymphocytes. These cells normally fight off ...

Sep 1, 2026