Roula Khalaf, Editor of the FT, selects her favourite stories in this weekly newsletter. Britons are using so much “laughing gas” recreationally that explosions of nitrous oxide containers are ...

Q: I read your article on trees splitting in the cold, and I thought you might like a photo from our tree near Rochester, Minn. This linden splits a little each winter but heals up in the spring. — ...

There are some pretty crazy ways that animals and insects defend themselves. And some insects prioritize the health of the group over their own safety. Although it is a drastic measure, some ants are ...