Real diamonds do not show up on x-ray.
36
Paper money is not made from wood pulp but from cotton. This means that it will not disintegrate as fast if it is put in the laundry.
37
Americans are responsible for generating roughly 20% percent of the garbage in the world.
29
The WD in WD-40 stands for Water Displacer.
30
Couples' personalities converge over time to make partners more and more similar.
235
On average, every dollar bill you touch has over 3,000 different types of bacteria.
8
Like fingerprints, everyone's tongue print is different.
250
Fine-grained volcanic ash can be found as an ingredient in some toothpastes.
55