The Biebs announced his third fragrance, The Key, in June, and HollywoodLife.com got a sniff of the new scent â and itâs amazing! Justin Bieber, 19, has had a great run in the fragrance industry so far, but I think The Key is definitely his best one to date!
On average, this works out to about 260 calories every day, just by thinking![i] (Unfortunately, contrary to popular belief thinking harder, such as while taking an exam, will probably not cause your brain to burn significantly more calories). 20 More Everyday Activities That Burn Calories.
Of this 100 watts, about 10 watts is used by your brain, so for its size your brain burns a lot of calories. When you think hard, as when solving a mathematical problem, your brain uses a bit more than 10 watts.