We all have misconceptions. It’s part of the human condition…rumors and myths propagate rapidly. But, hopefully in the next few minutes we’ll dispel some of them. No, the Great Wall of China can’t be seen from space. No, goldfish don’t have a 1 second memory, and yes, a duck’s quack does in fact echo. These are 25 things you thought were true but really aren’t.
20. Deoxygenated blood is blue
http://www.flickr.com/photos/rswatski/5913033448/ Although it can appear blue with the right lighting it is actually dark red.
15. You’re never far from a rat in London
http://www.flickr.com/photos/ressaure/5793392217/ Scientists say there are probably 3 million rats in London. That’s about 1 rat every 150 feet…still pretty far.
10. A duck’s quack doesn’t echo
http://www.flickr.com/photos/chrysti/galleries/72157622443392670/ Actually, it does. You’ll need a duck and a tunnel if you don’t believe us.
5. Bats are blind
http://www.flickr.com/photos/usfwsnortheast/4387622479/ While most species do use echolocation to navigate, they aren’t blind at all.
Read more: http://list25.com/25-things-you-thought-were-true-but-really-arent/