Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. When French biologist Jean-Baptiste Lamarck set out to categorize ...

There are millions of different types of living things on Earth. In order to keep track of them all, scientists put living things into groups based on characteristics that they have that are the same.

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Since its discovery nearly 70 years ago, paleontologists have ...

Vertebrates and invertebrates have similar sets of glial cells that perform comparable functional tasks. A hallmark of all glial cells is their pronounced migratory ability. Glial cells in the PNS and ...