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Phys.org / Meet Crocodylus lucivenator, a 12- to 15-foot predator that hunted iconic Lucy's species

More than 3 million years ago, when our ancient ancestors embodied by the iconic Lucy were roaming the African landscape, they would have feared a big, bad crocodile with a prominent lump on its head, patiently lurking in ...

2 hours ago
Medical Xpress / AI meal plans for teens may undercount calories by nearly 700, study suggests

Many teens dealing with weight issues are turning to AI models to help them create meal plans with the aim of losing weight. But a new study shows that the resulting plans may not always adequately cover necessary nutrients ...

2 hours ago
Medical Xpress / Inconsistent labeling and high doses found in delta-8 THC products

Cannabis products containing delta-8 THC have spiked in popularity in recent years, from gummies and brownies to vapes, pre-rolls, and tinctures. These products are frequently marketed as "legal" cannabis and often come in ...

1 hour ago
Medical Xpress / Quantitative imaging of beta cell mass may help with treatment for type 1 diabetes

In type 1 diabetes, the immune system starts to destroy insulin-producing beta cells in the pancreas. Progressive loss of these cells destabilizes the body's glucose levels and drives the course of the disease, so preserving ...

2 hours ago
Phys.org / Astronomers capture birth of a magnetar, confirming link to some of universe's brightest exploding stars

Astronomers have for the first time seen the birth of a magnetar—a highly magnetized, spinning neutron star—and confirmed that it's the power source behind some of the brightest exploding stars in the cosmos. The finding ...

15 hours ago
Phys.org / Despite their contrasting reputations, bonobos and chimpanzees show similar levels of aggression in zoos

Chimpanzees have a reputation for being aggressive, while bonobos are often seen as their peaceful counterparts. This contrast has frequently been used to explain different sides of human nature. However, a new study by Utrecht ...

13 hours ago
Phys.org / Dolphin mass strandings in Patagonia linked to killer whales

In 2021 and 2023, hundreds of dolphins were stranded in shallow waters in San Antonio Bay in northern Patagonia. Some died, but many were returned safely to the sea. But what remained a mystery until now was how they ended ...

12 hours ago
Phys.org / DNA origami vaccine rivals mRNA shots while being easier to store and manufacture

The COVID-19 pandemic brought messenger RNA (mRNA) vaccines to the forefront of global health care. After their clinical trial stages, the first COVID-19 mRNA vaccine was administered on 8 December 2020 and mathematical models ...

7 hours ago
Medical Xpress / Combining exercise and sleep coaching can help improve sleep and health markers in young women

Instances of insomnia are on the rise globally, which is a matter of great concern, as lack of sleep can take a heavy toll on one's physical and mental health. A recent study by The Education University of Hong Kong investigated ...

12 hours ago
Medical Xpress / Large-scale study challenges link between acetaminophen use during pregnancy and autism risk in children

A team of Taiwanese researchers have used a nationwide, population-based cohort to examine whether taking acetaminophen during pregnancy might be linked to a higher likelihood of attention-deficit/hyperactivity disorder ...

14 hours ago
Phys.org / Ancient Filipino skeleton reveals a rare hip condition further complicated by scurvy

The growing paleopathological literature shows that scurvy was not a rare problem among people living in the ancient Asia-Pacific tropics. Scurvy is increasingly identified throughout the region, primarily in children but ...

17 hours ago
Phys.org / Plants pause, play and fast-forward their growth depending on types of climate stress

Plants pause their growth during stress, then press play when conditions improve, helping them recover and live on to produce food, according to a new study published in New Phytologist. UBC researchers have pinpointed the ...

8 hours ago