The viral clip has been viewed 3.6 million times since it was first uploaded A VIDEO of a baby getting her ears pierced has sparked fierce debate online. The short clip shows a tot being held by ...

A spider's fangs are natural injection needles, making them perfectly suited for piercing the skeletons of prey and delivering a kiss of venom, a new study finds. The toothy barbs of a large ...

Some of the complete skulls had a tooth socket occupied by two teeth–a permanent saber tooth and a baby tooth that would eventually fall out. These double-toothed sockets may have helped ...