There are two identical barrels on the farm. One is full of rainwater, the other is exactly half full. The barrels weigh 86 kg and 53 kg, respectively. How much does an empty barrel weigh?
Women have a higher life expectancy than men in almost every country across the globe. In nearly all cases, mortality rates are higher for men than women. The science behind this phenomenon is still unknown, though it’s been speculated that the presence of estrogen in the female body may positively impact the immune system.