Most people probably don't think about it a lot, but by Halloween this year, Earth will be host to 7 billion humans—double what it was in 1970—and by the end of the century, it'll be 10 billion. So how about using condoms to head that off?
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Most people probably don't think about it a lot, but by Halloween this year, Earth will be host to 7 billion humans—double what it was in 1970—and by the end of the century, it'll be 10 billion. So how about using condoms to head that off?
More...
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