March 19, 2013 at 9:12 AM ET
A chicken in China lays an egg that weighs half a pound. Inside, the egg has two yolks along with another fully-formed egg.
March 19, 2013 at 9:12 AM ET
A chicken in China lays an egg that weighs half a pound. Inside, the egg has two yolks along with another fully-formed egg.
