The world’s largest lizard figures in today’s Geo Quiz. Australian researchers have discovered something new about the Komodo dragon.

Komodo dragon: photo Paulette MitchellKomodo dragon: photo Paulette Mitchell

It kills its prey just like a poisonous snake. Scientists used MRI scans to locate venom glands in the dragons’ mouths. So if your travel agent suggests a visit to the Indonesian island where these fearsome creatures live, maybe, think twice.