Back when I was a kid, my father used to make a skating rink in the ... but it is a disaster for the birds if the ground becomes sealed up under a shell of ice. The mice and voles that red-tailed ...

Roula Khalaf, Editor of the FT, selects her favourite stories in this weekly newsletter. A growl erupts beneath our feet. We’re in the middle of a vast, frozen body of water, far from the shoreline.