Earthworms are famous for their ability to regrow if they get cut in half, although this can only occur under certain conditions. The secret to a worm's regenerative powers lies in stem cells.

Any additional set-up for your specific venue and audience. Use a fork or gloved hand to pull out the worm and it place on a paper towel. Use the side of the fork to cut open the worm. Dip the cut end ...

Worms are tough little creatures. If you accidentally cut an earthworm in half while gardening, only half will die. The piece with the saddle (the fatter, pink part) will survive. When it's really ...