#179 How do we vomit?
I learned this today. There is a carefully choreographed sequence of steps that enable us to vomit. Vomiting is a form of protection. It is the body’s way of getting…
I learned this today. There is a carefully choreographed sequence of steps that enable us to vomit. Vomiting is a form of protection. It is the body’s way of getting…
I learned this today. Depending on who you ask and what fossils you look at and what you define as “human”, there have been between eight and twenty-one different species…
I learned this today. The Hindenburg airship probably caught fire because of a static electric charge that ignited the highly flammable hydrogen it was filled with. The Hindenburg was actually…
I learned this today. Rasputin managed to gain so much influence over the tsar of Russia because he appeared able to cure the tsar’s son of his hemophilia. Rasputin was…
I learned this today. Technically the first parachute jump was in 852. A man called Armen Firman, in Spain, jumped off a tower using a cloak as a parachute. Apparently,…
I learned this today. New Delhi became the capital of India in 1911 because the previous capital Kolkata had become too politically unstable, and it was too far from the…
I learned this today. Nobody knows why gravity exists. They can explain what happens, but not really why. Gravity can be observed, but not completely explained. Gravity is the force…
I learned this today. Concrete goes hard because the filler (usually something like gravel) is glued together by the binder (usually cement) through the process of hydration. Concrete is probably…
I learned this today. Octopuses have blue blood because they have adapted to live in cold, deep water. Octopuses live in every ocean on Earth, and they live in a…
I learned this today. A concussion is a mild traumatic brain injury that temporarily affects brain functioning. Our brains are protected by cerebrospinal fluid. Cerebrospinal fluid is a colorless fluid…