Like most human traits, blue eyes are determined by genes, and no two people have exactly the same hue. It works a lot like ...

"These groundhogs — along with a tortoise, whose emergence from his winter brumation (hibernation for reptiles) foretells the coming of Spring, and a Prairie dog statue, whose shadow at sunrise ...

Pennsylvania’s Punxsutawney Phil might be the most well-known weather-predicting groundhog, but a new list casts doubt on his accuracy. Phil did so poorly that even nonliving critters outshine ...