More than 2,300,000 limestone and granite blocks were pushed, pulled, and dragged into place on the Great Pyramid. The average weight of a block is about 2.3 metric tons (2.5 tons). How much is that?

If you’re with-child, you may expect to be greeted by swollen ankles at the end of a long day. But otherwise, the cause of swollen ankles can feel more like a mystery to be solved. Ankles and their ...