Blocking the high: one man’s quixotic quest to cure addiction
If you could take the high out of drugs, what would be the point in taking them? Sujata Gupta meets the unorthodox doctor who thinks he can block some of the world’s most addictive pills.
Porklife: building a better pig
How have the farm animals of today been shaped by centuries of domestication and selective breeding? Sujata Gupta investigates.