ahlam1399
06-23-2017, 05:11 AM
Eggs evolved over 300 million years ago and **w come in all kinds of shapes, from Tic Tacs to teardrops to pingpong balls. After studying some 50,000 eggs, a team of researchers thinks it k**ws why.
أكثر... (http://www.npr.org/sections/thetwo-way/2017/06/22/533840419/how-do-eggs-get-their-shapes-scientists-think-theyve-*****ed-it?utm_medium=RSS&utm_campaign=news)
أكثر... (http://www.npr.org/sections/thetwo-way/2017/06/22/533840419/how-do-eggs-get-their-shapes-scientists-think-theyve-*****ed-it?utm_medium=RSS&utm_campaign=news)