Couples' personalities converge over time to make partners more and more similar.
235
If you counted 24 hours a day, it would take 31,688 years to reach one trillion!
44
Mentally doing a task makes you better at it. Your mind can barely tell the difference.
18
More than 10% of the world's salt is used to de-ice American roads.
54
The largest hotel suite in the world is located 22 stories under the surface in the Grand Canyon Caverns. One night for two people in this 65 million year old cave is $700.
4
The Main Library at Indiana University sinks over an inch every year because when it was built, engineers failed to take into account the weight of all the books that would occupy the building.
240
By raising your legs slowly and laying on your back, you can't sink in quicksand.
105
You share your birthday with at least 9 million other people in the world.
205