Homo sapiens is the most successful mammalian species in Earth history ... “When dams are built, large areas are flooded and people need to be relocated,” Láng-Ritter said in a press statement.

In honor of this milestone, the BBC News has created a calculator that will tell you, based on your birth date, how many people in all of human history were born before you were. SPOILER ...

If you buy through a BGR link, we may earn an affiliate commission, helping support our expert product labs. Earth may only be a tiny blip on the map relative to the entire universe, but for our ...