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.
Ninjas used a system called Goshiki-mai, meaning Five Colored Rice, in which rice grains were painted red, blue, yellow, black or purple in order to leave coded messages or trails.
The largest piece of fossilised dinosaur poo discovered is over 30cm long and over two litres in volume. Believed to be a Tyrannosaurus rex turd, the fossilised dung (also named a 'coprolite') is helping scientists better understand what the dinosaur a
Dolphins are considered one of the world's most intelligent animals, and they have several cognitive abilities that set them apart. Many researchers consider intelligence to be a combination of perception, communication, and problem-solving.
The brain of adult men is approximately 10% larger than that of women. Because men are typically taller and have more muscle mass than women, their brains require more neurons to control the body.
