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Impressions that ancient brains left in fossilized skulls reveal that the first human ancestors to migrate out of Africa had much more primitive brains than previously thought.

The European Medicines Agency emphasizes that the benefits of the jab in protecting against COVID-19 still far outweigh the risks.

A review of hundreds of cases finds that only a minority of patients noted being sick with a coronavirus infection prior to developing the severe inflammatory condition.

A proof-of-concept study uses eDNA in the air to detect mammals, expanding the technique beyond aquatic sampling.

A study shows gamma-delta T cells in mice respond to shifts in nutrients by changing the cellular composition of the intestinal epithelium.

Stanford University researchers determined the code from spare drops in discarded vials of the COVID-19 vaccine and published it on GitHub.

The use of pesticides has decreased in the US by more than 40 percent since 1992, but the emergence of more-potent chemicals means that they are far more damaging to many species.

Scientists suspect the gall-forming protist Maullinia hitches a ride on kelp rafts to reach new host populations at far-flung sites.

The agency says that to “reset” the advisory boards and bolster “scientific integrity,” more than 40 advisors appointed during former President Donald Trump’s tenure have been let go.

Corticosterone interferes with signaling in the skin that normally activates hair follicle stem cells, possibly explaining the link between stress and hair loss.

A study that compared several anesthetic regimens in rodents showed that only one—inhaled isoflurane—wasn’t detrimental to the activity of neurons in the hippocampus.

In the last decade, researchers have come to realize that tumors harbor bits of extrachromosomal DNA that can drive malignancy.