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For conservation and the management of human–wildlife conflicts, it is of great interest to know which species are eaten by carnivores. Scientists from the Ngorongoro Hyena Project at the Leibniz Institute for Zoo and Wildlife ...

Air conditioning is increasingly the go-to when heat waves strike. However, not only does this lead to more emissions, it also puts increasing strain on the electricity grid—even culminating in deadly blackouts. On paper, ...

Over five decades, popular songs in the U.S. and Germany have become more self-focused—as indicated by the use of pronouns such as "I," "me" and "mine"—while no such trend was seen for the most popular songs in Japan and ...

Two developments often get lost in the public's perception of the abortion wars. One is that the number of abortions in the U.S. has increased dramatically year over year since the U.S. Supreme Court overturned Roe v. Wade ...

Patients with severe injuries from car crashes are about 70% less likely to be transferred to another hospital in states with no-fault insurance laws than in states with more common at-fault policies, reports a new study ...

Human skin is constantly rebuilding itself. Every few weeks, the outermost layers shed and are replaced by new cells pushed up from the base. For decades, scientists believed this renewal depended heavily on fibroblasts, ...

Pterosaurs, the first vertebrates to fly, would have had more diverse wing shapes than current scientific reconstructions suggest, according to new University of Bristol-led research. The study is published in the journal ...

Two cups of warm water don't make one cup of boiling water. But in the quantum world, multiple low-energy photons can combine to produce a single, higher-energy photon.

Researchers in Taiwan have developed a cell-free extracellular matrix material from axolotl skin that helped mouse burn wounds close faster and show signs of reduced fibrotic scarring. The findings suggest that one of nature's ...

The liver is one of the few organs capable of regenerating after surgery—a remarkable ability that makes lifesaving procedures possible for thousands of patients each year. But not every liver regenerates as expected. Some ...

One-third of the world's population is infected with the Toxoplasma parasite, which can cause ocular toxoplasmosis, an eye infection that can damage the retina and result in permanent vision loss. Although often seen as an ...

Computer scientist Louis Castricato was in his eighth year studying large language models—the artificial intelligence technology behind chatbots like ChatGPT and Claude—when he started to feel like he was hitting a dead end.