Molecules/Matter & Energy

Groovy snake bites, buzzy microphones and coiling liquids in this week’s news

Groovy snake bite Snakes don’t need fancy pressurized fangs to inject venom. A groove on the outside of the tooth, which is more common, will do. The secret to this simple but deadly anatomy starts with the surface tension of the thick venom, which oozes out of a gland in the snake’s mouth.