MIAMI (CBSMiami) - Friday, Rita and Ron's first egg began the hatching process by "pipping" the eggshell, Zoo Miami officials announced. This was caused by the chick pushing from inside causing ...

Dr. Matan Golan of the Hebrew University of Jerusalem and the Agricultural Research Organization—Volcani Institute led a team of researchers who uncovered how fish embryos determine the ideal moment ...

(Phys.org) -- Researchers in Britain are confused by the mute swans of Abbotsbury Swannery. They lay four to ten eggs during a laying cycle which lasts generally a couple of days. During that time, ...