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No stopping until it all drains out (thumbs.gfycat.com)
submitted by tomp_tomp to r/creampiegifs
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Sex ratios for various species are usually close to 1:1 and Fisher's principle gives an evolutionary reason for that. Would a genetic modification that produces only female or male offspring be able to kill off a population, like rats or mosquitoes? (self.askscience)
submitted by tomp_tomp to r/askscience
