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 ...

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 ...

Few places in the world are more dangerous than Ilha da Queimada Grande — the Brazilian island where venomous vipers rule the land and only a few researchers are ever allowed. Despite their fearsome ...