text:  Each week, Chavi, Tristan and I scan the papers looking for stories that deserve a wider audience. Now, sometimes these are local tales that haven't hit the international news. Other times, they're just really cool bits of science that deserve bringing out from under the radar. So who has something to share? OK, so I want to talk about elementary weight loss mathematics. So counting calories in food that you eat and exercising more if you eat more, right?