From swallowing spiders to peeing on jellyfish stings: 30 most common myths debunked

dailystar.co.uk:

contact lens myths here. Chameleons change colours to blend in with their surroundingsHeat escapes through your headSugar causes hyperactivity in childrenThe Great Wall of China is the only man-made structure visible from spaceYou should urinate on someone if they get stung by a jellyfishA penny dropped from the top of the Empire State Building could kill someoneYour hair and fingernails continue to grow after you dieDogs sweat through their tonguesHumans only have five sensesWe only use 10 percent of our brainsBats are blindDrinking alcohol raises your body temperatureYou'll get cramps if you go swimming right after you eatDogs only see in black and whiteIt's safe to eat food that's been on the floor for five seconds or lessIf you touch a.