To Shakespeare's Hamlet, we humans are "the paragon of animals." But recent advances in genetics are suggesting that humans ...

Primarily, birds cannot fly while carrying the weight of ... Once the species completes the mating process, the eggs in an oviparous female become fertilized and are laid outside her body to wait ...

Ethyl glucuronide stays in the body after alcohol breaks down. Using chemical analysis, the authors tested feathers and liver ...