A sign taped to his face announced that he was ... ChatGPT: The egg came first, laid by a bird that was not quite a chicken. As genetic mutations occurred in the population of these pre-chicken ...

What came first, the egg or the chicken? The dilemma has caused everyone ... so that they can be stuck onto human hair (head ...

the chicken's hypothalamus causes the release of a reproductive hormone that spurs egg laying. The hormone, gonadotropin, is the same one that kickstarts the human reproductive cycle. (Also read ...