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From insects to bacteria: new ‘bugs’ make red colouring News

by David, 14 April 2021 | 0 comments

a close-up of a cactus with many white, dusty looking insects on it

Do you like eating red lollies or drinking strawberry milk? If so, there’s a good chance you’ve been eating insects! But soon there might be a new way to make these treats red.

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Half a thousand brainteaser Brainteaser

by David, 13 April 2021 | 0 comments

Brain icon

Difficulty: Fun Can you add one symbol below to make half a thousand? 5 5 5 5 5

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Grab bag of science – a quick quiz Quiz

by David, 7 April 2021 | 0 comments

Black lightning bolt in purple circle

There’s no rhyme or reason to this quiz. It’s just some of the strangest and hardest science questions we could find. Can you beat the odds and get 5/5?

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National Insect Collection virtual tour News

by David, 1 April 2021 | 1 comments

a screenshot of a youtube video: Australian National Insect Collection National Research Collections Australia with a picture of a Bristle fly Rutilia sp.

Australia has some of the coolest, cutest and strangest animals in the world. It’s not all kangaroos, crocodiles and cassowaries, though – our insects are amazing too!

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Dust mite dilemma brainteaser Brainteaser

by David, 31 March 2021 | 0 comments

Crosshatched page with arrows and numbers in different directions.

This brainteaser comes from our new book, Puzzles and Projects. This book features some of the best puzzles, hands-on activities, stories and more from Double Helix magazine. Plus, there’s stacks of new content to explore! You can buy a copy on the CSIRO Publishing website, or pick it up from your favourite bookstore!

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Easter activities Activity

by David, 25 March 2021 | 0 comments

Hand holding a transparent egg shape orb.

Are you looking for some fun activities to fill your Easter break? Check out these seasonal suggestions!

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Roving around – a quick quiz Activity

by David, 24 March 2021 | 0 comments

Black lightning bolt in purple circle

It’s not just robots that rove – this quiz celebrates roving in all its forms! Can you manage to find all the right answers?

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Rainbow plate Activity

by David, 18 March 2021 | 0 comments

Plate with colourful lollies around the circumference and rainbow pattern in the centre.

Here’s a great excuse to get your parents to buy lollies! All it takes is some warm water to reveal a beautiful rainbow.

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Earth’s innermost inner core News

by David, 17 March 2021 | 0 comments

Image of layers that form the Earth's inner core.

If you journeyed to the centre of the Earth, what would you see on the way down? After breaking through the crust there’s the mantle, a layer of mostly solid rock that constantly flows like a glacier. Below that, there’s the outer core made of liquid iron and nickel. Then you come to the inner…

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Giant golden cube brainteaser Brainteaser

by David, 12 March 2021 | 4 comments

Brain icon

Difficulty: Tricky Sian is making a big, shiny cube in Minecraft. It will be 10 blocks wide, 10 blocks deep and 10 blocks high. The outer layer of blocks will be made of gold. Everything inside the cube will be made of obsidian. Will Sian need more gold blocks, or more obsidian ones?

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