Saturday, March 20, 2010

Now We Can Race Them!

In order to study "postcopulatory sexual selection," scientists have engineered glow-in-the-dark sperm.

From Science Daily:

"...many advances in reproductive and evolutionary biology have been constrained by the inability to discriminate competing sperm of different males and by the challenges of observing live sperm inside the female reproductive tract. "


(Photo by Jen @ Your Kid Matters)

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