It’s been a long and pervasive myth that the ability to roll your tongue was a genetic one but according to BBC Future, it’s not that simple. On average, about 70% of people can transform their tongue into a U-shape.
In 1940, geneticist Alfred Sturtevant suggested that tongue-rolling was a Mendelian (pre-modern genetic research) trait. This theory was considered true until it was found that not all identical twins (who share the same genes) can both roll their tongues, so, myth busted!
You Should Wait Until Your Phone Reaches 0% Before Recharging It
This myth is based on the notion that charging from zero helps maintain your phone’s long-term battery health. While this used to be true for older types of nickel-metal hybrid batteries, it's no longer true for today's smartphones.
Our phones now come equipped with a standard lithium-ion battery which doesn't have a so-called “memory effect”, so you can safely recharge them at any point without any problem.
Bulls Hate the Color Red
Matadors put themselves in very dangerous situations. Ever wonder why it is that bulls chase matadors with such passion? Well, after a bit of research, we found out that bulls can really only see the colors red and green. This still doesn’t explain why they chase matador’s capes so fervently, but luckily, we found an answer.
The reason why bulls chase red capes doesn’t actually have as much to do with the color and a lot more to do with the movement. These animals are inherently afraid of sudden movements and tend to be quite aggressive, especially in captivity.
You Only Use 10% of Your Brain
Popular pseudoscience strands say that your average person only uses 10% of their brains at any given time. While this is technically true, it doesn’t mean what you think it means.
They're implying that there's a whole 90% potential “brain energy” that we are not using, and that by tapping into it, we can become infinitely smarter than we are today. In truth, your brain only uses about 10% of its functionality the same way we only use our eyes to see. We simply don’t need to involve our feet in the task of vision.
Body Hair Grows Back Thicker if You Shave It
This is one “fact” that widely affects women because they're usually the ones who are afraid that shaving their body hair will just lead to it growing back thicker. And as far as the men are concerned, sorry to disappoint you. No, shaving won't help your beard grow back fuller.
The appearance of thicker hair after shaving is nothing but an illusion. Shaving with a razor blade just makes the tip of our hairs temporarily sharper which causes light to bounce off them in a different way, giving the illusion of having thicker hair. Just be patient, soon enough the hair will become softer, and the apparent thickness will disappear.