The World’s Most Expensive Letter Is Surprisingly Boring
170 years ago, a wine merchant from Mauritius sent a bland letter to his partners in France, informing them that he had received their shipment. Today, that letter is the most expensive in the world.
Scientists Develop Cockroach Diving Suits for the Benefit of Mankind
A team of Singapore researchers has developed an innovative miniature diving suit that allows cockroaches to breathe underwater for up to three hours.