Study indicates São Tomé island has two species of caecilians found nowhere else on Earth

The Forgotten History of the World's First Trans Clinic

São Tomé Island Has Two Species of Caecilians Found Nowhere Else on Earth

Experiment Uses CRISPR To Edit Genes While They Are Still Inside A Person's Body. This experiment marks the first time scientists are using CRISPR to edit DNA when it's still inside patients' bodies.