We have to start counting from 1 again.

There are 8 billion of us alive today, give or take a few hundred million. We crowd cities, cross oceans in mere hours, and argue through glowing screens. That certainly sounds like a lot of people, ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." “We were surprised to find that the actual population living in rural areas is much higher than the ...