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Potpourri preservation Activity

by David, 8 March 2018 | 3 comments

A bowl filled with dried rose petals, orange peel and cinnamon sticks

Learn about the different parts of plants, as well as the science of preservation, by making your own pretty potpourri.

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Double Helix Extra: your new email update! Update

by Jasmine, 28 February 2018 | 0 comments

10 year old holding tablet and atomic model.

Double Helix magazine is excited to announce that we’re merging our newsletters Science by Email and Maths by Email, and adding a splash of technology and engineering news. Keep an eye out for our new look email, called Double Helix Extra!

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Blood-splatter by numbers Activity

by David, 16 February 2018 | 1 comments

A blood spot with measurements for width and length

Blood left at a crime scene can tell you a lot about the events. To rewind the clock and look back in time, you just need a ruler and some trigonometry. You will need Red food dye Chocolate topping (or corn syrup) Water Measuring cup Mixing bowl Spoon Drinking straw Old clothes A large sheet…

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Hanging by a thread Activity

by David, 27 November 2017 | 0 comments

a picture hanging from two pins

You’ll find yourself going a little loopy with this puzzle, but it’s worth unravelling the secret.

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Ultimate dictators Activity

by David, 14 November 2017 | 0 comments

Julius caesar offers you some smarties

Psychologists often use simple games to determine how people make decisions when sharing and saving rewards, such as cash. In this case, we’ll explore the game of dictators using chocolate!

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Len Choa Activity

by David, 3 November 2017 | 0 comments

A board with some counters on it.

Len Choa is a two player game from Thailand. It’s an asymmetric game, which means the two players have different rules to follow. In this game, one player controls a pack of six leopards, and their opponent controls one scary lion!

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Newspaper numbers Activity

by David, 11 October 2017 | 0 comments

Soemoen has circled $122 milion in a newspaper

Mathematicians can find patterns wherever there are numbers. In this activity, see if there’s a pattern in the numbers inside a newspaper!

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Twisted snowflake Activity

by David, 27 September 2017 | 0 comments

A strange shape with rotational symmetry

Have you ever made a paper snowflake? Here’s a different twist on a classic craft activity.

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How do you model a bushfire? Activity

by David, 13 September 2017 | 0 comments

a bushfire

Bushfires are destructive and dangerous. They can be fickle, but scientists are developing ways to predict their behaviour. This activity shows you one way that a scientist might think about bushfires.

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How fast can you fidget? Activity

by David, 28 August 2017 | 0 comments

A wierd blobby fidget spinner with too many arms.

Have you ever wondered how fast your fidget spinner spins? If you want to find out, you’ll have to do some maths! You will need Fidget spinner Computer with a flatbed scanner and printer, or a photocopier Ruler Timer Paper Pen Calculator (optional) Safety: Be careful spinning your fidget spinner near the glass of your…

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