Avocados are a fruit, not a vegetable. They're technically considered a single-seeded berry, believe it or not.
The Eiffel Tower can be 15 cm taller during the summer, due to thermal expansion meaning the iron heats up, the particles gain kinetic energy and take up more space.
Trypophobia is the fear of closely-packed holes. Or more specifically, "an aversion to the sight of irregular patterns or clusters of small holes or bumps." No crumpets for them, then.
Allodoxaphobia is the fear of other people's opinions. It's a rare social phobia that's characterised by an irrational and overwhelming fear of what other people think.
Australia is wider than the moon. The moon sits at 3400km in diameter, whileAustralia’s diameter from east to west is almost 4000km.