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Although this theme is a bit funny, the questions are no joke. Can you get serious and ace this quiz?

Around 3500 years ago, the Minoan people lived on the island of Crete. They had a written language, now known as Linear A, which archaeologists cannot decipher. They also had an advanced number system, which experts are finally beginning to crack!

Difficulty: Tricky We’re going to make a magic triangle! Take the numbers 1–6 and arrange them in a triangle with three numbers on each side. Swap them around until the sides all add up to the same number.

What happens when you cover an egg in soot? It gets super black, but also super shiny!

In the southern parts of the world, spring has sprung, and there’s a lot more sunshine about. See how you go with this solar themed quiz!

By Bill Flynn Whether you are at school, at home or self-isolating you can be a part of the United Nations International Day of Clean Air for Blue Skies on Monday 7 September. How? By contributing to NASA’s citizen science global database! Download the GLOBE Observer app and photograph the cloud cover from your window,…

Kia ora! Here’s a quiz for our friends across the ditch. Have you got the knowledge to get 5/5?

By Mike McRae Double Helix magazine is looking for your questions! Our Microscope column answers the most intriguing science, tech, engineering and maths queries you can throw at us.

Difficulty: Taxing Here’s a beautiful artwork from 1895, titled Mental calculation. In public school of S. A. Rachinsky, painted by Nikolay Bogdanov-Belsky. Can you solve the puzzle the kids are pondering? If you can’t quite see the equation, here it is:

By Natalie Kikken Did you know that nails grow on a turtle’s flippers? At Ningaloo Reef, Western Australia, turtle nail clippings are providing new and exciting insights. CSIRO scientists can work out what turtles eat by analysing the chemicals in these nail samples.