Geckos can stick to surfaces because their bulbous toes are covered in hundreds of tiny microscopic hairs called setae..
About 200 people die on cruise ships each year. That's why they have morgues on board..
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..
Australia is wider than the moon. The moon sits at 3400km in diameter, while Australia’s diameter from east to west is almost 4000km..