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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 […]

Difficulty: Tricky Gordon is trying to make it big with his Minecraft-themed parody song channel. He spends a lot of time working on each video, and he wants as many views as possible. Gordon’s noticed some patterns with his view numbers:

This quiz is all about shiny things. Will there be a glimmer in your eye as you get 5/5?

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?

Here’s a puzzle that’s easy to set up, but surprisingly tricky to solve. See if you can swap two counters just by sliding them!

Difficulty: Tricky Idir was in the bathroom when he noticed that the tiles weren’t all the same shape! Instead, there were two different shapes of tiles.

This quiz is all about rivers. Let your knowledge flow and see how many questions you can get right!

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.

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!

Difficulty: Tricky Can you take 2 from FIVE and leave 4?