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Medical Xpress / Screens can be part of a child's healthy bedtime routine, study shows

Most parents are aware of the current advice to switch off all screens at least an hour before bed. However, a recent study reveals this may not be necessary for every child. The study, from Deakin's Institute for Physical ...

8 hours ago
Tech Xplore / Portable detector spots GPS spoofing in real time, even on move

In a world where cell phones and cars guide us everywhere, we've come to trust global positioning as much as we trust our own senses. What happens when that trust is broken?

9 hours ago
Phys.org / Humpback whale 'Timmy' released in the North Sea after weeks stranded off Germany

A rescue team on Saturday released from a barge in the North Sea a humpback whale that had been stranded in shallow waters near Germany since March, witnesses said.

13 hours ago
Phys.org / 'GangTok': Insights into the presence of gang culture on TikTok

In a new study, a University of Cincinnati sociologist and his research team are shedding light on how TikTok content produced by gang members could be used to better inform law enforcement and policymakers for more appropriate ...

10 hours ago
Medical Xpress / For older adults with mild cognitive impairment, exercise can be crucial to sleep quality

Staying active is known to improve sleep, but the research findings are mixed regarding the best workout. Some studies say light walking or stretching is best, others prefer moderate-intensity workouts like jogging—and some ...

9 hours ago
Medical Xpress / Rural youth show higher firearm exposure, suicide risk and mental health harms

Rural youth experience higher rates of firearm exposure, handgun-carrying and associated mental health risks, according to Rutgers researchers. Their study, published in Trauma, Violence, and Abuse, has examined recent literature ...

10 hours ago
Phys.org / Nest‑building chimpanzees seem to anticipate future weather

Every evening, as they move from place to place through the forest, chimpanzees stop to build a nest—most often in a tree—to sleep in. Using a selection of branches, leaves and twigs, they create comfortable and safe spaces ...

12 hours ago
Medical Xpress / Stopping and restarting certain GLP-1s to lose weight may make the drug less effective

Inconsistent use of some GLP-1 weight-loss medications, like Ozempic and Wegovy, may significantly lessen their effectiveness, according to a new preclinical study from researchers at the Perelman School of Medicine at the ...

12 hours ago
Phys.org / Blood-based DNA marker tracks arsenic exposure and may predict toxicity risk

Public health experts estimate that more than 200 million people worldwide are exposed to arsenic through contaminated drinking water. Scientists know long-term exposure to arsenic is associated with increased risk of chronic ...

22 hours ago
Phys.org / Tokamak regime sustains stable fusion plasma for one minute while easing heat loads

For the first time, a research team has demonstrated, in a metal-wall environment, a plasma regime that simultaneously achieves partial divertor detachment, an edge-localized-mode (ELM)-free high-confinement mode (H-mode), ...

Apr 29, 2026
Medical Xpress / Scientists cautiously suggest GLP-1s are safe to use around pregnancy

A new study from the University of St Andrews suggests weight-loss drugs like Ozempic taken around pregnancy do not raise the risk of major birth defects. Published in the American Journal of Obstetrics and Gynaecology, the ...

23 hours ago
Phys.org / Physicists have measured 'negative time' in the lab

As Homer tells us, Odysseus made an epic journey, against the odds, from Troy to his home in Ithaca. He visited many lands, but mostly dwelt with the nymph Calypso on her island. We can imagine that his wife, Penelope, would ...

May 1, 2026