Amylase may be small for an enzyme, but it has a big biological impact. Thomas explains the evolutionary history of this tiny protein.
Australia’s natural dangers are not just limited to its animal life – Jennifer Sibbald discusses the plant molecules responsible for a nasty sting.
Somewhere on Earth, about 4 billion years ago, the first terrestrial life began to develop – probably from a complicated soup of simple molecules. But how did the transition from basic building blocks to the complex biopolymers in living organisms occur?