Size comparison of the holotype specimen of Bolg amondol (UMNH VP 16266, left, Natural History Museum of Utah / Bureau of Land Management) and a modern Gila monster (Heloderma suspectum, right). Gold: ...

It is one of only two venomous lizards in the world, but the Gila Monster could become an unlikely boon for the health of tens of thousands of Scots. The poison of the large reptile, native to Mexico ...

This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more information, visit the Smithsonian's ...

Many animal venoms contain factors that are able to trigger mast cell degranulation. In the Journal of Clinical Investigation, Galli and colleagues demonstrate that degranulation is critical for ...