We have many, many more. Proprioception (awareness of our bodies in space), hunger and thirst, the need to use the bathroom, and our inner ear's fluid-filled vestibular system (responsible for balance) are just a few other senses we have. There are so many different categories we could explore.
Man's best friend can see the world in more than just black and white. Dogs can actually see in combinations of blue and yellow, which includes a lot of grayish-brown varieties. Their sight can be compared to a human with red-green colorblindness.
The ability for camels to survive for seven days without water isn't due to the fact that they store water in their humps. All their humps are fat, but the fat is what provides them with about three weeks of energy. Camels' kidneys and intestines are really the ones that retain water.
Wrong, wrong, wrong. It may be true that we're only using 10 percent of our brains when we're at rest, but for the most part, the brain is pretty much active at all times and humans use virtually every part of it.
NASA-funded scientists have proved that lightning can strike in two or more places. It's also possible for a flash to strike the same spot more than once.
