Man' lizard — a herpetologist explains how it flashes red and blue in seconds to win mates and settle rival showdowns.

What begins as a simple tour of African reptiles quickly turns into a full showcase of some of the strangest and most impressive animals in the collection. Giant rock pythons, massive monitor lizards, ...

Adults are typically about 33 cm long and about 0.40-0.49 kg, with the classic ash-grey body and bright red tail.

For every person who's attended Kevin Hart's shows on any of his tours, there are dozens of fans who know his work and have cracked up at his 120 m.p.h. riffs simply by seeing his appearances on TV ...