09.02.10

Evolution of placentas

Posted in you've got mail at 11:41 am by nemo

gnxp
A skink species lays eggs on the coast but births babies in the mountains, giving a rare glimpse at how placentas evolved, scientists say

http://news.nationalgeographic.com/news/2010/09/100901-science-animals-evolution-australia-lizard-skink-live-birth-eggs/

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