A searchable archive of the current two weeks' jobs is also available. This week we bring you 18 pages of science, technology and health stories from our award-winning global network of reporters. Hybrids aren't unnatural monsters sullying the purity of species.
Academic fraud is a growing problem as researchers fight to keep an unspoken ethical code.
Scary, awesome and hard to control, powerful nuclear lasers are no longer just a crazy dream. Meet Charles and Signora Gaddi in The Mathematical Brain . For the book's author, Brian Butterworth, they're living evidence that the brain contains a special device for making sense of numbers. Alison Motluk talks numbers, brains and genes with the neuropsychologist at his office in University College London. Humans, however, may be real villains because they can choose.