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The speediest cyclist Brainteaser

by David, 10 July 2019 | 0 comments

Brain icon

Alice, Bernice and Claire are all speedy bike riders. They decided to race against each other to find out who is fastest cyclist. They ran three races together. In two races, Alice beat Bernice. In two races, Bernice beat Claire.

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Stirring an impossible liquid News

by David, 4 July 2019 | 0 comments

Swirling brownish image.

Imagine a swirl of milk in a cup of tea, or a drop of food colouring in a glass of water. The way liquids move and flow is intricate and almost impossibly complex. But that doesn’t stop scientists from trying to understand this movement.

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How do frogs breathe? A quick quiz Quiz

by David, 3 July 2019 | 0 comments

Black lightning bolt in purple circle

Do you know how frogs breathe? We do! Test your knowledge in our latest quiz covering topics from plants and stars, to rocks and bytes.

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Vacuuming marshmallows Activity

by David, 27 June 2019 | 1 comments

Image of a cracked marshmallow in a glass bottle.

In this hands-on activity, you’ll make your own vacuum chamber and watch marshmallows turn into fluffy clouds of sugar!

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The 63 dollar question Brainteaser

by David, 26 June 2019 | 4 comments

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On Dr Vine’s desk there is some money. There are six pieces of Australian money. The money adds up to $63.

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Quakes on the Moon News

by David, 20 June 2019 | 0 comments

Earth is active down to its very rocks. Earthquakes and volcanoes shake our planet, and the continents themselves drift lazily across the surface. Compared to Earth, the Moon is a cold, hard rock. But even lunar rocks are more active than you might think.

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What is a manatee? A quick quiz Quiz

by David, 19 June 2019 | 3 comments

Black lightning bolt in purple circle

There are a few funny words in this week’s quiz. You’ll need to be on top of your sci-vocab if you want to score 5/5!

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T-shirt dye designs Activity

by David, 13 June 2019 | 0 comments

Time to get creative! With some permanent markers and methylated spirits, you can use chemistry to make some cool looking t-shirt designs.

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Red and black brainteaser Brainteaser

by David, 12 June 2019 | 12 comments

Brain icon

I have four playing cards: two of them are black and two are red. I turn them face down so you can’t see the colours, and shuffle them so you don’t know which is which.

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Microscope: Birds on a wire News

by Jasmine, 6 June 2019 | 5 comments

Pink and grey galahs sitting on powerlines (wires)

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

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