As dinosaurs and huge ocean predators disappeared 66 million years ago in a mass extinction event, lineages that comprise the bulk of marine fish species diversity began evolving and filled the seas, a new, multi-institution analysis shows.
The findings...
Myelin acts as insulation for millions of brain cells, allowing for swift and efficient transmission of signals across brain regions. Despite its crucial role, little is known about how stable this structure is in the adult brain and what impact aging has...
In mice, rats, monkeys, and people, aging can take its toll on cognitive function. A new study by researchers at Yale and Université de Montréal reveal there is a common denominator to the decline in all of these species — an increase in the level of the...