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The biggest ever prime number has just been found and it’s absolutely massive. It’s a number with more than 41 million digits. That means, if you were to type it out in size 12 font, it would be more than 8,000km long! That’s about the distance from Melbourne to Tokyo.

We have a gut feeling that you’ll like this highly digestible quiz. Are you hungry for a 5/5?

Rosario has a pink square of origami paper. She then folds one corner all the way to the square’s centre to make a new 5-sided shape. She discovers that the missing corner is exactly the same size as a piece of fairy bread! How many pieces of fairy bread would it take to cover the whole 5-sided shape?

Space is huge. But exactly how huge are the spaces between the Sun, Moon and planets? Find out by making a scale model of the inner solar system at your nearby park!

Friendly neighbourhood scientists have created their own version of Spider-Man’s webs. Their silk mixture can form a solid string when shot out of a needle and even stick to and lift objects!

With this quiz, everything is looking up! Can you dazzle us with a stellar 5/5?

Right before the bell rings, Jeri’s teacher throws up a problem on the board: “I’m thinking of a number. When I add its digits together and multiply by seven, I get the number I first thought of. The number is under 40.” Can you help Jeri find the number before class is dismissed?

All it takes is a little elastic to send a pom pom flying! Can you improve your aim with a bit of practice?

Do you laugh or smile when playing around with your friends? It turns out bottlenose dolphins do too! Scientists have found that dolphins “smile” to communicate during playtime. And they probably do it to make sure their pals don’t mistake playfulness for aggression.

This week, magnets really attracted our attention. We’re conducting a straw poll: can you pull in a 5/5?