The theory of the four humors dominates medicine for two thousand years. Since the time of the ancient Greeks to the 19th century, humor...

Myrrh ( Commiphora sp) has a history older than humankind. Deeply connected to death, healing and the divine, myrrh is a smoky, strongly...

The home gym, antiseptic, bicycles and Bunsen burners all emerge in the 19th century . European engineers, scientists, physicians and...