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Human Population

Seven BIllion Humans On Earth: How Does It Compare To Other Species?

Posted 12.28.2011 | Green

From National Geographic's New "7 Billion" App: Nigel Holmes writes: There will soon be seven billion humans on Earth, but how does that number ...

Humans May Have Faced Extinction 1 Million Years Ago

Scientific American | Carina Storrs | Posted 05.25.2011 | Green

New genetic findings suggest that early humans living about one million years ago were extremely close to extinction....