Scientists have now claimed to have cracked the riddle of whether the chicken or the egg came first. The answer, they say, is the chicken. Researchers found that the formation of egg shells relies on a protein found only in a chicken’s ovaries. Therefore, an egg can exist only if it has been inside a chicken. The protein – called ovocledidin-17, or OC-17 – acts as a … [Read more...] about Scientists conclude the age-old debate that the chicken came before the egg