: When vampire bats bite their victims, their saliva releases an enzyme called desmoteplase, or DSPA, into the bloodstream, which causes blood to flow more readily. Several years ago, scientists ...

The vampire bat leaned into the bowl of blood on Saturday morning and drank as easily as a cat would lap milk. Not far away, a Gila monster stared at visitors with cold eyes, looking far too mellow to ...

A new national study is underway to see if a compound extracted from their saliva can actually help patients survive a stroke. Someone in the US suffers a stroke every 40 seconds. Right now, doctors ...