Earth’s hottest layer is the core, we use uranium to build nukes, and ocean tides are created by the gravitational pull of the Moon. Like, duh! But did you also know that the boiling point of water decreases with increasing altitude, or that amplitude determines the loudness of a sound wave? Huh?
The Mundurucu tribe are an isolated group living deep within the Amazon rainforest. Their language doesn't have exact terms for numbers or words for most geometric shapes...and yet they outperformed French and American schoolchildren on a geometry test.