Hair grows because cells at the root divide and push it upward, like toothpaste squeezed from a tube. At least, this is what what we thought. However, new research claims this explanation is ...

Teeth function not only because of the hard enamel on the surface, but also because they have roots that anchor them firmly in the jawbone beneath the gums. Eating, speaking, and maintaining the shape ...

The most complex engineering of human cell lines ever has been achieved by scientists, revealing that our genomes are more resilient to significant structural changes than was previously thought. The ...