Vaccine against cocaine addiction prepared by Brazilian doctors
Animal testing has been particularly encouraging
Scientists grow whole model of human embryo, without sperm or egg
The ambition for embryo models is to provide an ethical way of understanding the earliest moments of our lives
‘Doubly magic’ form of oxygen may challenge a fundamental law of physics
It is a rare oxygen isotope that has 12 more neutrons than oxygen-16, the most common form of oxygen on the planet