November 2, 2015
Vampire bat saliva, which includes a cocktail of flesh-numbing compounds and anti-clotting agents, is uniquely adapted to a blood-feasting lifestyle. In a forthcoming paper in Frontiers in Ecology and Evolution, Caleb Phillips and Robert Baker of Texas Tech University present evidence that these venomous weapons evolved by recruiting ancestral genes to produce new molecules. In their original state, so-called vampirism genes serve entirely non-Satanic purposes.
Read the story here.