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New calculations show human cells about equal bacteria in the body.

This month’s issue is packed with tips for early-career researchers heading to the first in-person meeting of the Society for Neuroscience in three years.

New studies emerge daily on the effect of the human microbiome on human health: colon cancer, ulcers, and cognitive conditions such as Alzheimer's disease have been associated with the communities of microbes that live in our bodies.

Neanderthals carb loaded, helping grow their big brains May. 10, 2021 , 3:00 PM Here’s another blow to the popular image of Neanderthals as brutish meat eaters: A new study of bacteria collected from Neanderthal teeth shows that our close cousins ate so many roots, nuts, or other starchy foods that they dramatically altered the type of bacteria in their mouths. The finding suggests our ancestors had adapted to eating lots of starch by at least 600,000 years ago—about the same time as they needed more sugars to fuel a big expansion of their brains. The study is “groundbreaking,” says ...