LifeMystery of the potato's origins solved by genetics Around 8 million years ago, an ancestor of modern tomatoes in South America hydridised with a plant called Etuberosum, and this reshuffling of genes gave rise to the potato News
EnvironmentInside the mouth-watering race to master lab-grown chocolate We’ve now figured out how to culture chocolate in the lab. The breakthrough could help with spiralling cocoa costs, and may even lead to tastier treats with more nutritional value Features