Researchers report in the journal Cell that ancient viruses may be to thank for myelin—and, by extension, our large, complex ...

Retroviruses were required for vertebrate evolution to take off. If we didn’t have retroviruses sticking their sequences into the vertebrate genome, then myelination wouldn’t have happened ...

If the cerebellum is lost or damaged, motor coordination may become poor ... But this data is simply not available and certainly not available for many species.” In studying vertebrate brain evolution ...