#574 Why is a strike called a “strike”?
Why is a strike called a “strike”? Because sailors in 1768 struck their ships. To strike a ship means to take off its topsail, making the ship incapable of movement.…
Why is a strike called a “strike”? Because sailors in 1768 struck their ships. To strike a ship means to take off its topsail, making the ship incapable of movement.…
Where is the source of the Nile? The Nile starts as the White Nile and the Blue Nile before they come together. The White Nile probably starts in Lake Rweru…
What makes our joints pop and click? Escaping gas, moving tendons and ligaments, or rubbing surfaces. There are about 360 joints in the human body, although that depends on age.…
What is the difference between carnivores, herbivores, and omnivores? Amongst other things, they have differences in their teeth, mouths, eyes, saliva, intestines and their stomachs. Herbivores obviously live off plants.…
How small is nanotechnology? It is between 1 and 100 nanometers. 1 nanometer is 0.000001 mm. It is hard to imagine how small that is. A human hair is about…
What is the oldest stone circle in the world? Probably the stone circles at Göbekli Tepe, which are almost 12,000 years old. A stone circle is literally a ring made…
Why don’t we move when we’re dreaming? Chemicals in the brain inhibit the motor neurons and stop them from triggering the muscles. As well as this, the membrane potential in…
What happens in your brain when you learn a second language? The hippocampus and cerebral cortex get larger. The grey matter in the brain becomes denser and the amount of…
Who owns the North Pole and the South Pole? This is a surprisingly difficult question. Technically, no country owns either of them, although a lot of countries make claims. Canada,…
Why does beer have alcohol? Because the yeast cells in the beer feed on sugar and produce ethanol. Yeast is an egg-shaped single-celled fungus. There are 1,500 different species of…