Meet Kevin, a young scientist from Sierra Madre, California, who ( literally) digs worms. * Join Tess and Matt as they investigate some of Florida's scaliest citizens (see you later, alligator). * Slither alert: Minnesota kids get up close and personal with snakes. * Meet scientist Betty Faber, who studies the complexities of cockroaches and other creepy crawlies. * And DragonflyTV asks: how can you use a toilet without water?