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The patient, who has ALS, is able to communicate in complete sentences by deliberately altering his brain’s activity.

A research group argues that a species’ number of neurons, rather than brain volume, should serve as indicator of cognitive capacity when studying brain evolution, but some experts voice doubts.

Malawi and its neighbors plan to vaccinate 9.4 million children against polio in the coming week to combat a suspected outbreak.

Researchers find a way to wipe out the brain’s immune cell corps and send in new and improved versions.

Researchers find that evolution can operate on extraordinarily fast timescales.

Low participant numbers render the results of many studies based on brain scans unreliable, an analysis finds.

Making specific alterations to the bacterial population in a rat’s lungs either better protects the animals against multiple sclerosis–like symptoms or makes them more vulnerable, a study finds—the first demonstration of a lung-brain axis.

New research finds that the appearance of the HbS mutation, which protects against malaria but leads to sickle cell disease when present in two copies, was more common in sperm samples from men in Ghana, where malaria risk is high, than Europeans.

A new study reveals a network of neurons that, when disrupted, impairs adaptation to new circumstances in several types of dementia.

The first part of 2022 is giving us a glimpse of humanity’s future relationship with COVID-19.

The Scientist spoke to Mount Desert Island Biological Laboratory’s Jim Strickland about the institute’s new MDI Bioscience initiative to perform more drug testing and development in nonmammalian models.

Mongolian rodents join the ranks of earthworms and beavers as known ecosystem engineers.