`It´s crazy´: These animals have the fastest circadian clocks found in nature
(World News Science)

Within each of our brains is a biological clock. Instead of ticking hands, we have the ebb and flow of hormones, urging us to sleep and to rise. Our internal clock closely follows the 24-hour period of the Earth`s rotation, though it is not perfectly synchronous. Human clocks run slightly longer, slower by about 10 minutes on average. Exposure to light [] ......