A new study has revealed the clearest-ever picture of the surface chemistry of worm species that provides insights into how animals interact with their environment and each other. These discoveries ...

Teeth grinding, or bruxism, can happen day or night. But sleep bruxism is much harder to treat since many of us don’t even know we’re doing it. The condition is often only detected when ...

The assembly is driven by the "worm", which is a gear that resembles a screw. Like a screw, it can have one, or several starts. These starts correspond to teeth on a helical gear; in fact, the worm ...