This Week in Science:

It’s time for Nerd News, covering the most important news for your brain. Here’s a quick rundown of . . . This Week In Science. In winter sports: Giant snow-lined hamster wheels might be the next big thing in indoor skiing (???). An Australian company came up with something called “Snowtunnels” that rotate around you while you ski inside them.  They’re 40 feet across and can spin at 30 miles an hour.