So by most estimates, the world population recently hit 7 billion.
How Did We Get So Big So Fast?
"In 1804, the world population stood at 1 billion. Today, it’s more or less 7 billion. How did the population grow so big in 200 years? Just as you’d guess: As medicine and agriculture practices improved, more people began living long enough to have families of their own. But this infographic video from NPR does a superb job of telling the story, using glasses of colored liquid to visualize births (water drips into the glass) and deaths (it escapes through the bottom)."
(via Fast Co)
Is this a real news story?