Compared to the measly five million aroma receptors embedded in human nasal tissue, which is about the size of postage stamp, some dogs have over 200 million receptors that are embedded in a sheet of tissue that, unfolded, would be big enough to cover one-third of the dog’s surface area.
After elephants, Nile hippos are the largest land animals, weighing up to eight or nine thousand pounds.But, unlike elephants, hippos spend their days in the water, which might make it seem silly to ask: can hippos swim?
When the microwaves hit the front of an oncoming car, some of them are reflected back into the radar gun.
Although ice roads are plowed like regular roads, they offer a different driving experience. Because ice has give, a wave is created under it as the vehicle drives on top.
Scientists explain the inevitable collision by speculating that the Milky Way and Andromeda galaxies are a bound pair, meaning that they are in orbit around each other.