They bite, excrete acid, asphyxiate their prey and create huge super colonies that are hard to kill. What to know ...

The chicks are part of an internationally coordinated conservation breeding programme, where London Zoo is helping to preserve a healthy and genetically diverse insurance population of Humboldt ...

Background: Chagas disease, resulting from the protozoan Trypanosoma cruzi, is an important cause of heart failure, stroke, arrhythmia, and sudden death. Traditionally regarded as a tropical disease ...