#916 How does a bicycle stay upright?
How does a bicycle stay upright? It is a combination of things, but nobody seems to really know for definite. All of the reasons that a bicycle can stay upright…
How does a bicycle stay upright? It is a combination of things, but nobody seems to really know for definite. All of the reasons that a bicycle can stay upright…
Geoffrey Chaucer was known as the Father of English Literature. This is obviously a topic that is only important to English speaking countries, but he was a significant force in…
Why is a plane’s propeller at the front but a boat’s at the back? Because of how they move through the medium they travel in, the angle they need to…
What is racketeering? It is a criminal act that usually involves extortion or a scheme to extract illegal profits. Racketeering became a big thing on October 15, 1970, when the…
In the 1440s, Johannes Gutenberg invented the printing press and changed the world. It is not very often where you can say that an invention caused such enormous ripples that…
Why does hair turn white? The pigment cells in the hair follicles die. Our hair is colored by melanin that is produced by the pigment cells in each hair follicle.…
Why does the medical symbol have a snake and a staff on it? It is the Rod of Asclepius, an ancient symbol of medicine. If you have the misfortune to…
Alexander Cumming invented the S-bend in 1775. Toilets have existed for thousands of years, but the S-band (now the U-bend) was an invention that helped transition to indoor toilets and…
What is a crusade? It is a Catholic expedition called forth by the pope for various religious purposes. If it doesn’t have the pope’s blessing, it is not a crusade.…
Why are poppies a symbol of remembrance? Because of a poem by a Canadian doctor called John McCrae. The poem was called “In Flanders Fields”. And because of an American…