A group of islands at the bottom of South America, Tierra del Fuego has intrigued explorers since Magellan first visited in 1520. See how much you know about this unique land. South America Quiz, Part ...

Although vipers are famous for their venomous bites, it turns out these snakes have another story to tell. Abigail Eisenstadt The neotropical rattlesnake, Crotalus durissus, inhabits at least 11 South ...

South America Quiz, Part 1 A group of islands at the bottom of South America, Tierra del Fuego has intrigued explorers since Magellan first visited in 1520. See how much you know about this unique ...