1.Knew it.

2.Not useful to me, but whatever I guess.

3.Duh.

4.Of course. It's called missionary for a reason.

5.Knew it.

6.There are all sorts of ridiculous laws like that everywhere. Someone tried it, so they have to ban it.

7.Most of Japan is actually very traditional, and people just emphasize the weird parts.

8.Anything labeled as 0% anything is a lie. It's just a very small amount.

9. Sounds about right.

10.According to Freud, who had lots of other beliefs, He believed the same for women and their fathers. He also believed that men lost this attraction because they were afraid they would be castrated. He also believed masturbation was harmful He was also a cocaine addict, and even administered it to his patients. Most modern psychologists do not give credit to Freud's theories themselves, only that he revolutionized the way we study the field. 

1: k

2: good to know

3: Only because insects carry all sorts of crazy parasites and diseases, and their bites are harder to avoid

4: also good to know

5: In theory, yes. In reality, probably not. A limiting factor on growth is the amount of oxygen in the air (or in this case, water). Bigger creatures need higher oxygen percentages because their circulatory systems are less efficient.

6: Already knew that, actually

7: It's not normal in slightest. I mean, yeah, there are vending machines with just about anything in Japan, but ones that have stuff aside from drinks, snacks, and cigarettes aren't particularly normal.

8: There are multiple kinds of trans fat. They can probably get away with only saying there is 0% of a certain kind.

9: Sort of knew that

10: lolFreud

Anyway, sources?