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Psychedelic drugs are best known for altering perception and producing vivid hallucinations, but scientists are increasingly interested in what else they might do. A growing body of research suggests that these mind-altering substances could hold real promise as treatments for me

Scientists say the climate crisis driven by human activity is making heatwaves more frequent. O recorte ajuda a contextualizar a pauta dentro de Geral.

Global warming appears to have shifted into a faster gear. After removing the effects of El Niño, volcanic eruptions, and solar cycles, researchers found that the planet has warmed at roughly 0.35°C per decade over the past ten years, compared with just under 0.2°C per decade fro

Vanderbilt researchers created the first selective compound designed to inhibit TAOK-1, a poorly understood protein connected to Alzheimer’s disease. They also discovered a second compound that activates the entire TAOK protein family, offering scientists an unexpected new resear

As global temperatures continue to rise, scientists are racing to understand why heat so profoundly threatens fertility across the animal kingdom. A new study from the Hebrew University of Jerusalem and collaborators has uncovered a surprising answer: The brain itself may help de

Risso's dolphins around the British Isles are part of a single population—genetically distinct from those elsewhere in the Atlantic, new research shows. Scientists studied the DNA of dolphins that stranded in England, Scotland and Wales from 1992 to 2016.

While Earth's core consists mostly of iron, its density implies that lighter elements are also mixed in. Because hydrogen is abundant in the universe and can mix with iron under certain conditions, scientists suspect it makes up part of the lighter-element composition. Data from

A new 3D printing technique can produce exceptionally hard tungsten carbide cobalt while using less of its expensive raw materials. By softening rather than fully melting the material, researchers created defect-free samples with industrial-grade hardness and opened the door to m

University of Queensland research has shown microbes could give Australian-grown chocolate an edge in the global market. Working with growers in Far North Queensland, scientists found the cocoa fermentation process may have a bigger influence on the flavor of chocolate than the c

Scientists find ruminants emit more of greenhouse gas individually than cows, although total contribution tiny compared with domesticated livestockWhen cows belch and fart they release methane, which is warming the planet, but how does this compare with the digestive gases emitte

Dinosaurs are famous for being big, from the towering Tyrannosaurus rex to the colossal Apatosaurus. But a new study published today in the journal Evolution by scientists at the American Museum of Natural History and Princeton University suggests that one of the greatest mysteri

Several enormous Megalodon vertebrae thought to have been destroyed in 1989 were found sitting unnoticed on a museum shelf. Their analysis strengthens evidence that the giant shark could exceed 24 meters (79 feet) in length and live for nearly a century. Researchers also estimate