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Moth mimic News

by Jasmine, 11 April 2014 | 0 comments

A man wearing sunglasses. There is a zoom box indicating the sunglasses are covered in tiny cones.

Written by Sarah Kellett The way a moth’s eyes have adapted to darkness may help us stop glare from the Sun. Despite their tendency to circle light bulbs, moths have eyes that are designed for darkness. Each eye has a bumpy pattern that stops light reflecting off the surface, possibly helping the moth see in…

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Two coloured drawings Activity

by David, 12 March 2014 | 0 comments

Someone is colouring shapes in yellow and blue.

How many coloured pencils or textas do you really need to own? Can you get away with using just two? Time to get colouring with this maths activity.

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Aurora origins News

by Pat, 8 November 2013 | 0 comments

Aurora over a winter landscape.

On a dark night, far from the Equator, you might be lucky enough to spot an aurora: a shimmering, colourful glow in the sky. This natural light show has captivated people for thousands of years. While it is mostly associated with cold, dark nights near the poles, auroras have a much brighter, warmer origin: the…

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Microscope: Punk plants News

by Mike, 3 October 2013 | 0 comments

Stylised picture of a half green and half purple tree

Welcome to Double Helix magazine’s Q&A section – Microscope. We take a close look at small questions full of big ideas. Q: What makes some plants have purple leaves? The Helix reader, Sudashree from South Australia

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How does an optical illusion work? Activity

by Carol Saab, 20 June 2013 | 8 comments

Our eyes play a huge part in helping us explore the world around us, but occasionally they play tricks on us. In this optical illusion, we’re testing your perception of colour by making an after-image optical illusion. In other words, we’re tricking your eyes to see colours that aren’t really there. Check it out!

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Light stripes Activity

by Mike, 21 November 2012 | 0 comments

Peg holding laser and wire inserted into Blu tac.

Laser light is not the same as other kinds of light. In this activity, discover some of the ways it is special, and make a really cool pattern!

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