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13 proteins tied to brain aging seem to spike at ages 57, 70 and 78
By Emily Cooke published
A new study claims to have identified 13 proteins associated with either accelerated or decelerated brain aging. However, experts have questioned the practical implications of the findings.

Scientists reveal genes that make cats orange
By Lluís Montoliu published
Two new studies have revealed why some cats are orange — an enduring enigma of genetics, until now.

You're born with most of your neurons — but the brain makes some mysterious new ones in adulthood
By Aswathy Ammothumkandy, Charles Liu, Michael A. Bonaguidi published
Understanding how new neurons affect brain function throughout adulthood can offer new approaches to treating epilepsy and dementia.

Tiny, portable 'laboratories' sort germs using electricity
By Blanca H. Lapizco-Encinas published
Pathogens have distinct electrical charges, shapes and sizes. Measuring how quickly they move through an electric field can help researchers separate different species in a sample in minutes.

Raw milk from US dairies must now be tested for bird flu
By Nicoletta Lanese published
A new federal order requires that U.S. dairies provide milk samples to the USDA so the agency can test the milk for bird flu prior to pasteurization.

Gut microbiome may have fueled the growth of humans' big brains, study suggests
By Emily Cooke published
A new laboratory study in mice suggests that primates like humans evolved large brains with a helping hand from microbes that live in the gut.

A single gene mutation could enable H5N1 to spread between people, study finds
By Nicoletta Lanese published
A new laboratory study pinpoints a way H5N1 could evolve to spread from person to person.

Scientists make 1-of-a-kind immune cells to guard transplants from attack
By Tia Ghose published
Scientists have designed special immune cells that protect transplanted pancreatic cells from attack in mice.
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