By David Shaw, 17 June 2021
Rock on! This quiz is all about metal. From octopus blood to bass guitars, you’ll need to be a metal master to get 5/5.
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By Mike, 10 June 2021
By Mike McRae and David Shaw Attracted to doing some hands-on science? Why not use a magnet to create a ‘reed switch’?
By David Shaw, 9 June 2021
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. Comment down below with your question, or email us at Helix.Editor@csiro.au. The best questions will be published in our magazine! Here’s a sample question to get […]
By David Shaw, 2 June 2021
This quiz is all about shiny things. Will there be a glimmer in your eye as you get 5/5?
By David Shaw, 27 May 2021
Are you faster than a Tyrannosaurus rex? Scientists are still arguing about how fast a T. rex could run, if it could run at all. But most animals walk more than they run. So how fast is a tyrannosaur’s walking speed?
By David Shaw, 19 May 2021
This quiz is all about rivers. Let your knowledge flow and see how many questions you can get right!
By David Shaw, 13 May 2021
Here’s a great trick of the light that looks like magic. Put a picture into water, and the colour disappears! And the best thing is, the colour comes back when you take the picture out again.
By David Shaw, 12 May 2021
After a rainstorm, doesn’t the world seem so clean? You might think of storms washing the earth – but they’re cleaning the air too!
By David Shaw, 5 May 2021
This quiz is all about change! Can you get full marks first try, or will you need to change your answers?
By David Shaw, 29 April 2021
Black holes have such strong gravity that nothing, not even light can escape its clutches. We like to imagine that they are far away, like the supermassive black hole in the heart of our galaxy. But there may be black holes much closer to home. We’re just not very good at seeing them – after […]
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Perfect for ages 8 – 14
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