Walt (oneminmicro) on MSN

Snail teeth (radula) under the microscope!

Explore the fascinating structure of snail teeth, known as the radula, under the microscope.
Smithsonian Magazine on MSN

This Dinosaur May Have Used Its Strange Clawed Hands to Pilfer and Pierce Eggs

A fresh analysis of a fossil found almost 50 years ago reveals a newly described genus named for its "manipulating claw" ...