The back of your eye, called the retina, has two kinds of cells: rods and cones. In bright light the cones are what we use, while in dim light the cones are less active and the rods take over.
A cricket’s chirping might just attract more than a mate, as we discuss in this Moment of Science. In the cricket world, the quality of one’s voice isn’t as important as you might think. You see, the key to catching a female cricket’s interest is a long music recital. The male who sings the longest [...]