1-It's considered rude to write in red ink in Portugal.
2-Although the bobcat is rarely seen, it is the most common wildcat in North America.
3-The Chinese giant salamander can grow to be 6 feet (1.8 m) long, making it the largest salamander in the world.
4-Because the speed of Earth's rotation changes over time, a day in the age of dinosaurs was just 23 hours long.
5-There are more than 1,200 water parks in North America.
6-It would take 100 Earths, lined up end-to-end, to stretch across the face of the sun.
7-The highest wave ever surfed was as tall as a 10-story building.
8-Some apples can weigh about as much as a half gallon (2L) of milk.
9-You lose about 50 to 100 hairs a day.
10-New Jersey has the highest concentration of shopping malls.
11-All apes laugh when they are tickled.
12-In Japan, instead of a "man in the moon," people see a "rabbit in the moon."
13-George Washington loved exploring caves.
14-The TV remote is the dirtiest item in a typical household, hospital, or hotel room.
15-The finest quality emeralds are more valuable than diamonds.
16- It takes a gallon and a half of milk (5.7 L) to make a gallon (3.8 L) of ice cream.
17-A crocodile can't stick it's tongue out.
18-It is physically impossible for pigs to look up into the sky.
19-Rats and horses can't vomit.
20-Most lipstick contains fish scales.
it is true. I am Portuguese and it is rude to write in red ink but even I do not know why. LOL