It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
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A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
10
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
According to CNN national security correspondent David Ensore, as of 2002 bin Laden had married four women and fathered roughly 25 or 26 children.
54
The average person in their lifetime will spend an estimated 20,160 minutes kissing!
212
There are about 255 babies born worldwide every minute.
46
Many people in parts of China eat insects. Some common insects are bean worms, scoprions, and locusts.
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