HE0107–5240 is a star in more than one sense of the word. Chemically, it is the most primitive object yet discovered, and it is at the centre of debate about the origins of the first elements in the Universe

Mutations in the Abl protein cause some leukaemia’s. The determination of its structure and the identification of Abl variants resistant to an anti-leukaemia drug reveal region of the protein needed for its regulation