Couples' personalities converge over time to make partners more and more similar.
235
Coins usually survive in circulation for about 30 years.
66
The human eye blinks an average of 4,200,000 times a year.
233
"Big Ben" in London isn't a tower, the bell inside the tower is called "Big Ben", the tower itself is called "The Elizabeth Tower".
18
A jiffy is an actual unit of time for 1/100th of a second. Thus the saying, I will be there in a jiffy.
57
Women blink nearly twice as much as men.
152