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Evolution Jul 1, 2026

Primate brains might have evolved to 'catch up' with larger bodies, but then kept growing

A new analysis supports the previously overlooked "brain lag" hypothesis—the idea that, in some primate lineages, the evolution of larger body size preceded the evolution of larger brain size—while also building on that hypothesis ...

Plants & Animals Jun 29, 2026

Giraffes combine quantities similarly to addition

In addition to humans, some species of primates and birds have demonstrated under experimental conditions their ability to manipulate quantities in tasks that require combining or separating them, in a manner similar to addition ...

Plants & Animals Jun 29, 2026

Childbirth is not uniquely difficult to humans

The tight fit of a baby's head through a mother's birth canal, which causes great difficulty in childbirth, is not unique to humans, as previously understood. Instead, some small-bodied primate babies have heads almost twice ...

Plants & Animals Jun 27, 2026

Female baboons keep family bonds strong: Research reveals the benefits

Baboons are one of the most widespread of Africa's primate groups. They range across sub-Saharan Africa and into the Arabian Peninsula. Baboons' ability to spread across such a vast geographic area is based on their great ...

Evolution Jun 27, 2026

Primate evolution kept aging rates stable for 25 million years despite lifespan gaps

Biologists group animals with similar traits into broad categories called orders. Despite their similarities, animal species in the same order can have very different average lifespans.

Plants & Animals Jun 26, 2026

Do animal behavior experiments give a distorted view of cooperation?

When biologists study cooperation in animals, they usually offer just a single task at a time. But what happens when animals can choose among several opportunities to work together? Biologists at Utrecht University discovered ...

Evolution Jun 25, 2026

Fossils upend catastrophist narrative that flowering plants flourished only after dinosaur extinction

A unique cache of plant fossils from volcanic deposits in New Mexico contradicts the common narrative that flowering plants were minor players in Earth's forests until dinosaurs disappeared 66 million years ago.

Evolution Jun 25, 2026

AI reads 3D tooth microwear to reconstruct diets of early human ancestors

The study of dental microwear allows the analysis of the microscopic marks that foods leave on the surface of tooth enamel during mastication. In paleoanthropology, this methodology helps reconstruct the diet of fossil primates ...

Evolution Jun 24, 2026

Out of darkness, blind Mexican cavefish illuminate brain evolution

Deep within the dark caves of northeastern Mexico lives a fish that has spent hundreds of thousands of years adapting to a world without light. The blind Mexican cavefish (Astyanax mexicanus) has evolved in perpetual darkness, ...

Molecular & Computational biology Jun 22, 2026

Researchers develop antiviral candidate for deadly mosquito-borne brain infections

Can newly identified antiviral compounds help stop some of the most dangerous mosquito-borne viruses that attack the brain? A research team led by scientists at The University of Alabama in Huntsville (UAH), a part of The ...

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