#189 Why does our voice change when we inhale helium?
I learned this today. Our voices change when we inhale helium because sound travels through it faster than it does through air. There are two things we need to look…
I learned this today. Our voices change when we inhale helium because sound travels through it faster than it does through air. There are two things we need to look…
I learned this today. The Teapot Dome scandal had nothing to do with tea or teapots. It was the biggest scandal in America before Watergate. It all started when the…
I learned this today. It is possible, but it is not easy, takes a lot of power, and the resultant element would not be very stable. There are 118 known…
I learned this today. Vellum is a material for writing on that is made from prepared animal skin. The document on the front of this article is the Magna Carta.…
I learned this today. The California Gold Rush started when James Wilson Marshall found gold flakes in the American River at the base of the Sierra Nevada Mountains near Coloma…
I learned this today. The Western Roman Empire ended in 476 and the Eastern Roman Empire ended in 1453. The state of Rome became a republic in the 6th century…
I learned this today. Mars could be terraformed, but it would require more money than any government would be able to spend. Terraforming is the process by which an uninhabitable…
I learned this today. Pineapples grow from a small shrub and not on a tree. The majority of fruits grow on trees. Some that don’t grow on trees grown on…
I learned this today. Some metals are nonmagnetic because the magnetic poles of the atoms within them point in different directions and are weakly repelled by both poles of the…
I learned this today. The Stetson hat was designed by John B. Stetson in 1865. We have an image of cowboys wearing Stetson hats, but they didn’t really start wearing…