HealthHidden nutrition: We don't know what makes up 99 per cent of our food We know next to nothing about the vast majority of compounds in our diet. Now researchers are finding ways to study this "nutritional dark matter" – and what it could mean for our health Features
HumansUpload review: An odd afterlife where your brain is kept in the cloud Greg Daniels's new show Upload is fizzing with interesting ideas, but the characters may not be strong enough to keep you interested, writes Emily WilsonCulture