The island of Queimada Grande, off the coast of southeastern Brazil, is the kingdom of a snake called Bothrops insularis. Pit vipers related to rattlesnakes but much more poisonous, they swarm in the ...

A research team led by scientists at the Butantan Institute in São Paulo, Brazil, has completed the most extensive genetic sequencing of a jararaca viper to date. The focus of the study was the genome ...