Yes, they are. Here’s some more:

The scientific term for brain freeze is “sphenopalatine ganglioneuralgia.”

Canadians say “sorry” so much that a law was passed in 2009 declaring that an apology can’t be used as evidence of admission to guilt.

Back when dinosaurs existed, there used to be volcanoes that were erupting on the moon.

The only letter that doesn’t appear on the periodic table is J.

One habit of intelligent humans is being easily annoyed by people around them but saying nothing in order to avoid a meaningless argument.

I’m obviously not that intelligent.