Nope, it’s older than this YouTube copy. It’s older than YouTube. Here’s a hint: there’s a reason there’s no clips from Return of the King in it.
Supposedly, gallium is non-toxic, and liquid at body temperature (though not room temperature).
I’ve been drinking brewed cacao (Cacao beans roasted, ground, and brewed like coffee) almost every day lately. So that.
Not true, see @BitSound’s comment.
It does have to be topologically planar (may not be the technical term), though. No donut worlds.