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Microscope: Ghostly afterimages News

by Fiona, 26 October 2022 | 0 comments

Line drawing of a bird next to the same bird coloured red.

When we look at a very bright object and then look away from it, why do we still see the object’s outline?

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Recycling rocks! A quick quiz Quiz

by David, 20 October 2022 | 0 comments

We’re celebrating recycling in this quiz! Can you salvage a passing score, or will you end up in the garbage?

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Recreating Gondwana Activity

by David, 13 October 2022 | 0 comments

Paper continents on a blue background

Back in the time of the dinosaurs, Australia was just one small part of a much bigger continent. Can you piece together the ancient supercontinent, Gondwana?

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Predicting the next supercontinent News

by David, 12 October 2022 | 0 comments

Map showing placement of Amasia

Have you heard of continental drift? The ground under your very feet is moving! Here in Australia, we’re moving about 7 centimetres north every year. In a few million years, we could run into Southeast Asia. But what about the far future, 300 million years away?

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Struck by lightning – a quick quiz Quiz

by David, 5 October 2022 | 2 comments

A flash and a bang! This quiz is all about electrical storms. Can you catch lightning in a bottle and get 5/5 this quiz?

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What caused this circle in the desert? News

by David, 29 September 2022 | 2 comments

Orange yellow and green image with an orange dot within a ring in the centre.

In between Adelaide and Perth lies the Nullarbor, a vast, dry plain. It’s famously flat; the railway line goes dead straight for almost 500 kilometres before it needs to turn. But hidden in the saltbush, scientists saw a strangely circular hill. So where did this circle come from?

Continue reading What caused this circle in the desert?

Let’s hear it for the girls! News

by Jasmine, 28 September 2022 | 0 comments

Two girls looking at a model DNA double helix

We’re looking forward to next year’s International Day of Women and Girls in Science. So, we want to hear from Double Helix readers who are girls.

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So many legs! – a quick quiz Quiz

by David, 8 September 2022 | 1 comments

We humans only have 2 legs, but a lot of creatures have many more. Do you have the legs to go the distance and get 5/5 on this quiz?

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Picture This News

by Fiona, 1 September 2022 | 0 comments

Person in labcoat, mask and gloves looking at a screen and pressed plant specimens

Open the large sliding cabinets to shelves, stacks and pigeonholes. In front of you is a plant collection with nearly a million different specimens. But what’s with the conveyor belt?

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Hooray for biodiversity – a quick quiz Quiz

by David, 25 August 2022 | 1 comments

September is Biodiversity Month. Celebrate by taking this quiz about the variety of life you’ll find here on Earth. How biodiverse is your knowledge?

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