"I put on weight even if I look at a piece of cake," some people may often say. They are right. Many obese people find it extremely hard to lose weight. At the same time, a human being with a normal weight may not eat just for one day to lose up to a kilo of his or her weight. Why does it happen like that?
The Russian Defence Ministry harbours plans to build a deep-water submersible vehicle to reach the bottom of the Mariana Trench