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Kelly has a pet store. She recently got in a whole litter of puppies and tried to sell them all. On the first day, she sold half of the puppies, plus half a puppy.

If you think the weather here on Earth is bad, be glad you don’t live on Mars. Storms currently cover much of the planet, with wind speeds of around 100 kilometres per hour. So spare a thought for the intrepid Mars rovers currently bearing the brunt of the storm.

It’s time for another round of science trivia. This week, we’ve got ancient questions about what happened before the Jurassic, and a puzzler about what meteoroids are.

Have you ever wanted to draw really small pictures? Here’s a trick – you can just draw normal sized ones, and then use some special plastic to shrink them!

I caught a bus the other day with a very interesting number. Can you work out the number on the bus?

It’s no secret that volcanoes are dangerous. The recent eruption of Guatemala’s Volcán de Fuego has taken more than 110 lives. In Hawaii, lava has covered roads, destroyed cars and set fire to buildings. So it may come as a surprise to hear that people are wondering if they can use volcanoes to toast their […]

Time to test your scientific mettle. This week we’re asking questions about everything from tiny butterfly legs to huge continents. Good luck!

You’ve seen it over and over again, but how well do you know the Moon? We’ve got a handy Moon map to help show you around. Pick a time to head outside at night and see if you can find these features on the face of the Moon.

I want to find a number that is divisible by three. I also want all of its digits to be 8s. Does my number exist?

If you hate cleaning windows, then do we have the invention for you! Sydney high school student Oliver Nicholls has developed a robotic window cleaner that has impressed the world. In fact, he just took out the top award at the Intel International Science and Engineering Fair (ISEF) in Pittsburgh in the United States!