FROM THE PRICE AND PROMISE of a single egg to the life of the chicken who laid it, here are eight stories that reflect upon the world’s most popular bird.

The team is "here to stay," no matter what, lead researcher Keith Bowers said, amid federal funding changes for scientific research.

One thing seems clear, though: anting feels great if you’re a bird. Ravens use “hand” gestures. It turns out that ravens make “very sophisticated nonvocal signals,” according to researchers.