The first photo of a person was an accident. In 1838, Louis Daguerre took a photo of a Paris street that appeared empty due to the long exposure time—except for a man getting his boots shined, who stood still long enough to appear in the image.
Have you ever wondered why rats are always being used in laboratory experiments? Yes, rats are not only highly intelligent animals, but they also have great memories too. Rats are able to map out a room and will remember all of the routes to get around f
