Quick. What do you know about Australia? (Not you, Australian readers. Give the rest of us a chance first.) Well, you know about kangaroos. The Sydney Opera House. Finding Nemo. You know it was discovered by Dutch navigator Willem Janszoon in 1606. Except you’re wrong about that last one. Maybe. In a recently sold Portuguese manuscript thought to date sometime between 1580 and 1620, researchers have found a small drawing of what could maybe be a kangaroo (it also looks sort of like a poorly drawn aardvark, but we’ll go with the experts on this one.) If so, that’d mean the first European to set foot in Australia may have taken done so much earlier than previously thought. So, let’s try again. What do you know about Australia? The correct answer is: nothing. Nobody does …