Up all night: 7 animals that hardly ever sleep
If you are a regular homo sapien you will spend a third of your life tucked up in bed, sound asleep. If you live to the respectable age of 75, then you would have successfully slept through a whopping quarter of a century. Sleep is a state of inactivity when we become less responsive to stimuli. … Continued
Freshwater fish and amphibians have an enzyme that acts like night-vision goggles
Researchers uncover an enzyme that allows various marine species to see a much wider range of light than us humans — from the blue-greens of marine environments to more cloudy, infrared inland streams. For nearly a hundred years researchers have known that fish and amphibians have an unreal ability to fine-tune their visual abilities to … Continued