Marty McGuire would rather spend recess catching frogs in the pond than playing dress-up with the other girls in third grade. So when her teacher casts Marty as the princess in the class play, Marty's absolutely, positively sure that there's been a huge mistake. But after a special lesson in the art of improvisation, Marty comes up with her OWN plan to IMPROVE the play: Why use stuffed-animal frog onstage when a live one would be so much better?

Burmese pythons are native to Southeast Asia, so when one showed up dead along the side of a Florida highway in 1979, scientists wondered where it came from. No one knew the snakes had launched a full-scale invasion. Pet pythons that escaped or were released by their owners started breeding in the wild, and these enormous predators began eating every animal in their path. Today a group of scientists at the Conservancy of Southwest Florida is tracking...