Ever heard or heard of a salpinx, barbiton, aulos, or syrinx? Well, neither has anyone else, for centuries (at least heard them). Until now. Credit: Luca Petrella These ancient instruments were common ...

The House of Wisdom sounds a bit like make believe: no trace remains of this ancient library, destroyed in the 13th Century, so we cannot be sure exactly where it was located or what it looked like.