Many organisms possess genes or traits that they do not express.
What do you think about the idea that some of your behaviors may be naturally selected through the process of evolution?
Are you a twin? No, well are you sure? You could be a twin, but the twin is within, or a chimera.
Guess what? You’re hands may have a lot to do with your sex life. Learn more on this Moment of Science.
Cats are finicky eaters, sure, but did I mention that this is one heck of a good piece of cake? What's the cat's problem?
They say that no two fingerprints are alike, but your relatives’ fingerprints might look similar to your own. While the intricate details of an individual fingerprint are unique, pattern types and the overall size, shape, and spacing of the ridges in a pattern are all inherited traits. Learn more on this Moment of Science.
Some people seem to need significantly less sleep than others. The amount of sleep one needs seems to be genetically inherited. Learn more on this Moment of Science.
Though it’s true that identical twins have the same DNA, that doesn’t mean that there’s no way to tell them apart. Learn more on this Moment of Science.
Scientists have been experimenting with ways to tackle problems like the muscle loss that occurs with aging. Learn more on this Moment of Science.
Changes in sunlight cause the cat’s brain to signal its hair follicles to respond appropriately. When there’s less sunlight, cats start growing short, fluffy secondary hairs whose job is to provide insulation. And when there’s more sunlight, cats start shedding.