In the insect world, there are few creatures as gentle and innocent as a butterfly. And yet, some butterflies have… an unexpected side to them. Hosted by: Hank Green Huge thanks go to the following ...

The silverleaf whitefly – a very prolific pest – is the only insect that we know of with a functional stolen plant gene.

The world’s first facial transplant using tissue from a woman who chose to end her life by assisted dying has been performed in a Spanish hospital.