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Look how small sperm is!!

(3 Posts)
yellowflowers Wed 11-Nov-09 14:43:26

You might like this

(slide the scale thing along to see the sperm)

PlantASeedWatchItGrow Wed 11-Nov-09 17:43:55

Thats interseting. Wish you could still see the others as you zoom though, I kept zooming back out to compare.

MyMyFruityPie Thu 12-Nov-09 01:38:17

That is crazy! Cool info.

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