The world of dance has leapt long in fashion’s collective imagination—but the reign of the ballet flat may, finally, be twirling off. Derby shoes have entered, stage left. But prior to ballet flats ...

A study suggests the first of seven key pyramids in Egypt, the Step Pyramid of Djoser, was built using a hydraulic lift. Dated to about 4,500 years ago, this would move up the introduction of major ...