NYC's Metropolitan Transit Authority (MTA) dumps old subway cars into the ocean to serve as artificial reef.
8
On average, a disposable diaper can hold up to 7 pounds of liquid.
22
American car horns beep in the tone of F.
66
Fine-grained volcanic ash can be found as an ingredient in some toothpastes.
55
You can immediately cool down a car that has been sitting under the sun by rolling down the window on one side and opening-closing the door on the other side 5-6 times.
23
30 years ago, you could buy a lifetime, unlimited first-class travel pass with American Airlines for $250,000.
14
Play-Doh was first manufactured as a wallpaper cleaner.
122
A million dollars' worth of $100 bills weighs only 22 pounds!
32