James Gersing

Learn all about lizards. They live all over the world and come in many shapes, sizes, and colors. You'll find out if a lizard can change colors to match its surroundings, if a lizards tail can really grow back, which lizard runs on water, whether boy and girl lizards look the same, why lizards st...

Vultures are voracious! They eat a lot of yucky stuff—and that's good because it keeps things tidy. Here are 20 questions and answers about these clean-up birds so you'll know all about them. You'll learn why vultures' heads are bald, why vultures vomit, why vultures don't get sick when they eat ...