Don’t you remember, as a child, holding a lizard in your clenched hand, only to find its wriggling tail when you opened it? Although it is a traumatic experience for the creature, it is thrilling to the mischievous, inquisitive young mind. A few days later, in your backyard, to your amazement, you might have observed the same lizard with a small growth from its broken tail! Some lizards and other [...]