In mice, cells in the hypothalamus clear out old memories while the animals sleep.
Descendants of early Europeans and Africans in US carry Native American genetic legacy
Many people in the US do not belong to Native American communities but still carry bits of Native American DNA,…
Researchers alter mouse gut microbiomes by feeding good bacteria their preferred fibers
Humans choose food based on the way it looks, smells, and tastes. But the microbes in our guts use a…
Alcohol-producing gut bacteria could cause liver damage even in people who don’t drink
Non-alcoholic fatty liver disease (NAFLD) is the build-up of fat in the liver due to factors other than alcohol, but…
Hub linking movement and motivation in brain identified
Detailed observations in the lateral septum indicate that the well-connected region processes movement, and reward information to help direct behavior.
Cellular hitchhikers may hold a key to understanding ALS
RNA molecules get around nerve cells by hitching a ride on lysosomes. Mutations frequently seen in ALS patients disrupt the…
Researchers hone in on the elusive receptor for sour taste
Sour is the taste of summer, a taste that evokes lemonade stands and vine-ripe tomatoes. Among the five basic tastes…
Perception of musical pitch varies across cultures
Unlike US residents, people in a remote area of the Bolivian rain forest usually do not perceive the similarities between…
Key similarities discovered between human and archaea chromosomes
A study has revealed key similarities between chromosomes in humans and archaea. The work could advance use of the single-celled…
The brain may actively forget during dream sleep
In a study of mice, researchers show that REM sleep may be a time when the brain actively forgets. Their…