#8 How can Vantablack be so black?
I learned this today. Vantablack is the blackest material ever made because it absorbs 99.965% of light. Anything that you have in […]
#7 How do salting and pickling preserve food?
I learned this today. Salt preserves food by removing the water and vinegar preserves food by increasing its acidity. The refrigerator was […]
#6 Why does the Earth have seasons?
I learned this today. The Earth wouldn’t really have seasons if it wasn’t tilted on its axis, and that is thanks to […]
#5 Why are labradors used as guide dogs?
I learned this today. Labradors are used as guide dogs because of their temperament, but also because of their size. Guide dogs […]
#4 How can vultures eat rotten meat and not get sick?
I learned this today. Vultures can eat rotten meat that would make us very sick because their stomach acid is 100 times […]
#3 Why did men start wearing neckties?
I learned this today. The necktie that most men wear today came about because King Louis XIV of France liked the knotted […]
#2 Where did ketchup come from? What did it have to do with mushrooms?
I learned this today. Ketchup was created in the 17th century, but it wasn’t made of tomatoes. Ketchup began in Asia. The […]
#1 Who invented sliced bread?
I learned this today. We say, “the best thing since sliced bread”, but sliced bread has only been around since 1928. Humans […]