PreacherComforts

This photo that might make you appreciate your modern home a little more! Public baths and wealthy citizens in ancient Rome used an early form of heating called a “hypocaust,” a raised floor where hot air was circulated.

A fun fact about dental history for your : the world’s first known professional dentist was Hesy-Ra, an ancient Egyptian official who lived around 2613 BCE. One of his official titles translates roughly to “the great one of the ivory cutters.”

There are more stars in the observable universe than there are grains of sand on all the beaches on Earth.