Aug. 2—Live frogs, snakes and a gelatin frog for dissection are among the things children saw this week as they experienced the life of a herpetologist at the Cook Museum of Natural Science's sold-out ...

Learn why common snake repellents don't work and how to identify a Cope's gray treefrog, including its toxic secretions.

Readers ask about snakes in their homes and gardens. Learn to identify common snakes like ratsnakes and watersnakes.