Posted February 11, 2009
Matt: Why do humans produce so much sperm if only one will fertilize an egg? And why are they in competition with each other? It would seem simpler to have fewer with less competition. — ...
Jeff Smith 4 p.m., Dec. 20
Ken Leighton 3:06 p.m., Dec. 20
Ken Harrison 2:11 p.m., Dec. 20
Andrew Hamlin 1 p.m., Dec. 20
Katelyn Montero 11 a.m., Dec. 20
Ian Anderson 10 a.m., Dec. 20
Frances Aguilar 9:54 a.m., Dec. 20
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