Does your family use chemicals – like bug spray – to keep insects and other creepy crawlies out of your house? An international team of scientists just found that some sparrows do too!
Difficulty: Extreme I’m thinking of a number. When you add one and a half to it, you get the same result as if you multiplied it by one and a half. What’s the number I’m thinking of?
By Rok Willesee Difficulty: Fun An engineer has asked you to help him count the number of triangles in this roof truss. He thinks there are five, but his boss thinks there are more. How many triangles can you see?
Yandruwandha Yawarrawarrka Traditional Owners recently travelled to Lucas Heights, home of Australia’s nuclear reactor. They’re searching for clues from nuclear science to help tell the story of some ancient tools.
Abelina and Ben bought a bag of jelly beans, and decided to split it. When they shared the jelly beans out, they split evenly and there wasn’t any remainder.