1. You lay down a bunch of tubes in the desired shape (usually a ring or an oval works best for an ice rink, naturally).
The science behind it is complicated. Let’s just say that it helps keep the ice really, really cold (read a bit more here).
- Doctors Without Borders is demanding an independent fact-finding mission into the deadly U.S. bombing on its Afghan hospital. ›
- The European Union is now using naval vessels in the Mediterranean to intercept boats that are smuggling refugees and migrants to Europe. ›
- Texas carried out its 11th execution of the year on Tuesday — the most of any state — putting to death an inmate who murdered a man over $8. ›