A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
10
Sleeping on the job is acceptable in Japan. It is viewed as exhaustion from working hard. Some people fake it to look committed to their job.
57
Only about 2% of the world population has green eyes.
36
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
The Japanese commonly put ketchup on their rice.
16
Women who are romance novel readers are reported to make love 74% more often with their partners than women who do not read romance novels.
136