where can i get general knowledge info?

Question

gk info like
1)A female ferret will die if it goes into heat and cannot find a mate.
2)All the chemicals in a human body combined are worth about 6.25 euro (if sold separately).
3) In ancient Rome, when a man testified in court he would swear on his testicles.
4) The ZIP in "ZIP code" means Zoning Improvement Plan.
5) Coca-Cola contained Coca (whose active ingredient is cocaine) from 1885 to 1903.
6) A "2 by 4" is really 1 1/2 by 3 1/2.
& ETC....Any one know about it.

Answer 1

click on free wikipedia search

Answer 2

Wikipedia