Explore the fascinating structure of snail teeth, known as the radula, under the microscope.

Scanning electron microscope image of wormlike structures 'growing' from dental tubules deep inside a molar. Image courtesy of University of Maryland, Baltimore. Inside a human tooth, more than 50,000 ...

These 10 incredible things can be easily observed at home, in the lab or in the classroom. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A ...