A) Yeah, if they have the time and resources then everyone has the potential to learn these things. I believe you can make yourself get smarter through hard work, though there are also many people naturally gifted who don't have to work as hard.

But of course many people in the world are too lazy, not interested in those subjects, don't have the resources, etc.

Q) What's your favorite sport? If you don't like sports, what's your favorite activity? (Other than anime! XD)