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Follow these instructions and create a work of art out of bubbles, while learning some maths.

Dogs chase cats – it’s one of the facts of life. However, what seems to be true in the backyard might not be the case in the Australian bush.

Brain freeze Written by Tom Dullemond We’d only lived on Terminus for a week and seen nothing but blizzards. Finally, it was a clear cold day, and mum’s company had just delivered the latest snow tractor.

Citizen science is on the rise. More and more, amateurs, or ‘citizen scientists’ are given opportunities to help scientists.

If you read scientific reports closely, you will come across words such as error and uncertainty. What do they mean? If a teacher tells you that you made an error on a test, then you got something wrong. In everyday language, that’s what error often means – a mistake.

Say cheese and flash that beautiful smile. You should be proud of those choppers; after all, teeth have been around for nearly half a billion years.

Mario has a whole pizza that hasn’t been cut. He cuts the pizza in half, and then cuts each of those pieces in half to make four pieces. He then cuts all of those slices in half, and then those in half and so on.

Written by Emma Bastian How do you weigh a dinosaur? It’s a simple question with a very complex answer.

It’s a small molecule, made of oxygen and hydrogen atoms in a V-shape. It’s colourless, odourless and expands when it freezes into a solid. It’s water, and without it, we wouldn’t be here.

Take a sheet of A4 paper and measure its sides. A4 is 210 millimetres wide and 297 millimetres long. It’s probably the most common size of paper and it’s used in most countries. However, A4 side lengths aren’t simple numbers like 200 or 300 millimetres. So why don’t we use something easier to measure?