You've heard the age-old riddle: "Which came first: the chicken or the egg?" Taken metaphorically, it's a meditation on the futility of determining the cause of a self-perpetuating cycle. Taken ...

Researchers have developed a method for culturing fertilized chick eggs without their shells. The eggs were placed in an artificial culture vessel made of transparent film, allowing for real-time ...

Add Yahoo as a preferred source to see more of our stories on Google. Another alarming discovery about the potential problems of plastic pollution ended with researchers issuing a warning about ...