"With its complicated reproductive set-up, a female kangaroo can be perpetually pregnant. While one joey is developing inside the pouch, another embryo is held in reserve in a uterus, waiting for its sibling to grow up and leave."—This blog post with annotated image on the inner workings of kangaroo ladyparts is one of many reasons we love science blogger Ed Yong.
Everything you always wanted to know about kangaroo vaginas
Goldene is a film of gold one atom thick
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