The famous painter is equally known for his iconic works as the fact that he supposedly cut his own ear off. But historians believe the real story is that van Gogh actually lost his ear in a heated argument with his friend and fellow artist Paul Gauguin. Apparently Gauguin, also a fencer, severed his ear off with his sword and Van Gogh was only trying to protect him.
Although the Van Gogh Museum in Amsterdam stands by the original story, several books dedicated to the artist's life support this lesser-known theory.
Despite what you see when you look at your forearms, blood is red, period. Your veins may appear blue because of how light reflects and how it's absorbed by your tissue. Your veins pump deoxygenated blood, which absorbs more red light and as a result appears more blue. The deeper the vein, the bluer it looks.
Your parents probably told you to wear a hat so you don't get sick. While it can help keep you warm, your heard doesn't allow for any more heat than any other part of your body does. Any exposed part of the body will release heat equally.
Waking up sleepwalkers won't frighten them into a heart attack or hurt them in any way, but the tip comes from the possibility of him or her attacking you by instinct. They'll most likely be startled and disoriented when they're woken up, so you might want to guide them back to their bed to avoid scaring them. They're also more likely to hurt themselves while unconsciously walking around, making it the better option to wake them up than to leave them alone.
Bye, yellow, you're not a primary color after all. The three "light" colors include red, green, and blue, while the "pigment color primaries" consist of cyan, magenta, and yellow. The first color model is actually off because it was discovered before modern science and isn't representative of the true range of color.
