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By Celia Berrell A sunny day, a balmy breeze with birdsong wafting from the trees. We know if birds should see a threat their songs will change. Alarms are sent. The creatures ‘round upon the ground respond to those alarming sounds. They know those birds have better views, so listen for those tweeting clues. Anxious…

Here’s our megaquiz for the year! Below are 10 questions picked from every quiz we wrote in 2020. If you want more questions, just hit refresh and we’ll grab you another 10. Good luck!

By Jacinta Bowler The Hubble Space Telescope has been floating above us for 30 years and has made more than a million observations, so it makes sense that an asteroid occasionally gets in the way of a good photo.

It’s the silly season! Looking for a way to celebrate with science? Try this collection of hands-on activities.

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!

Here’s some gross science for you to get hands-on with! This gloopy recipe produces some amazing fake snot.

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?

This quiz is devoted to our flying (and sometimes flightless) feathered friends. Can you bring home a victory to feather your nest?

The holidays are coming, and it’s time to start decorating. What better way than a bright, colourful, mathematical star decoration!

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?