#454 Why do we still have wisdom teeth if we don’t need them?
Why do we still have wisdom teeth if we don’t need them? Because they appear after birth, which means it is very difficult for evolution to select against them. Wisdom…
Why do we still have wisdom teeth if we don’t need them? Because they appear after birth, which means it is very difficult for evolution to select against them. Wisdom…
When were sunglasses invented? The first sunglasses were used by the Inuit people tens of thousands of years ago. The Inuit people lived, and still live, on the Arctic regions…
What is the densest material in the universe? Osmium is the densest material on Earth, but the densest material in the universe (that we know of) is that of a…
What were the moa and what happened to them? The South Island Giant Moa was a 3.6 m tall bird that were hunted to extinction by 1445. The Moa were…
Why is oil measured in barrels? Oil is measured in barrels because that was the size of a wine barrel in 1866. Nobody really knows when barrels were invented, but…
What are contact lenses made of? Soft contact lenses are made of an oxygen permeable soft plastic. Hard lenses are made of a plastic like Perspex. There are generally two…
Why is Christmas on December 25th? No one really knows, but there are several theories. Christmas is the day to celebrate the birth of Christ in a lot of the…
When did people start having lawns outside their houses? Probably from the early 16th century. The first use of the word “laune” is in 1540. We need to differentiate between…
What causes thunder? Thunder is caused because the air around a lightning bolt is superheated. Lightning is caused when there is an imbalance in the electrical charge within clouds. During…
Was there really going to be a black Taj Mahal? The idea of a black Taj Mahal to go with the white one is probably just a myth as there…