Scuba diving cylinders are full of air, not pure oxygen. Oxygen is toxic to humans from about 20 ft deep.
_scottwar / Via reddit.com
That the blood inside your body is blue until it’s exposed to oxygen. In fact, it’s always red, just different shades. Your veins look blue under your skin because of the way your skin absorbs light and reflects it back to your eyes.
Hilarious_83 / Via reddit.com
The sum of the angles of a triangle is not always 180 degrees. All the stuff you learned in high school geometry is only true in perfectly flat, Euclidean geometry. In spherical geometry, for example, the sum of a triangle’s angles is going to be greater than 180 degrees.
That bread or cake won’t rise in the oven and will fall if you make loud noises while it’s baking. That’s a myth. You can listen to your music at full volume and it won’t affect the chemical processes taking place during the baking process.
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That bananas grow on trees. Technically, the banana tree is a high herb.
Vandit Khandewal / Via quora.com
That the wedding ring is worn on the left fourth finger because it is the only finger with a vein that connects to the heart. In reality, all fingers have veins and all veins connect to the heart.
carolinablue199 / Via reddit.com
That if you leave your phone on the charger for a while after it hits 100%, then the battery capacity will reduce. In fact, that’s a myth. Modern smartphones manage the power very rationally. The fact that you leave the device connected to the power supply for a long time doesn’t affect the battery life.
Aabishkar Wagle / Via quora.com
That pigs like mud. In fact, they are one of the cleanliest animals in the world. The reason they are often covered in mud is that they don’t have sweat glands and the mud helps keep them cool.
Minhaj Hassan / Via quora.com
Ravens and crows are different birds, though they look pretty similar. Ravens are larger, they have longer and more pointed tails and wings, and stronger legs. Crows are smaller in size and they have a shorter fan or square-shaped tail.
astute_newt / Via reddit.com
Lewis Carroll never named his character the “Mad Hatter.” In the original novel, he was simply called “The Hatter.”
Donjanelle Robinson / Via quora.com
Caesar Salad was not named for Julius Caesar, but rather for its inventor, an Italian restaurateur named Cesare Cardini who created the salad in his restaurant in Tijuana, Mexico in 1924.
juniorlax16 / Via reddit.com
Peanuts are not nuts. In fact, they are more like beans and are classified as legumes. By the way, pistachios, cashews, and almonds are also mistakenly called nuts. Technically they are seeds.
TheEmperorChing23 / Via reddit.com