Only 8% of the world’s currency is physical money. The rest exists only on computers.
20
The most common name in the world is Mohammed.
213
Caffeine boosts memory.
405
Leather skin does not have any smell. The leather smell that you sense is actually derived from the materials used in the tanning process.
23
Couples' personalities converge over time to make partners more and more similar.
235
97% of all paper money in the US contains traces of cocaine.
93
In many countries, urine was used as a detergent for washing.
17
Sunflowers can be used to clean up radioactive waste.
17