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Congratulations to our competition winners
Image: iStock.com/Georgijevic A big thank you to all of our Double Helix readers who have taken part in the competitions over the past 10 years, we have loved receiving every one of your funny and...
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Kids TV series Space Nova – review by Evan
Double Helix review team member, Evan I really loved watching Space Nova because it mixes exciting space adventures with cool science ideas. The story follows the Nova family as they travel through...
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50 Ways to Die in Space by Eileen O’Hely – book review by Clara
Double Helix review team member, Clara I think space is cool, but after reading this book I think I’ll die if I go into space!! My favourite part was when the guy in the top hat screams, “you would...
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The Hidden Life Of Trees. A Graphic Novel By Peter Wohlleben – review by Libby
Double Helix review team member, Libby The Hidden Life of Trees: A Graphic Adaptation. This is a very unique book because, it is both an autobiography and an information report. The information is...
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Make a bubble spring
Put surface tension to the test in this surprising experiment. You will need Baking dish Detergent Glycerine or glycerol Tablespoon Water 30-centimetre-long piece of craft wire Paper straw Safety Ask...
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Clothing might have helped Ice Age humans survive a blast of radiation
The Earth’s magnetic field protects us from harmful high-speed particles from the Sun. Credit: Getty Images/MARK GARLICK/SCIENCE PHOTO LIBRARY A blip in Earth’s magnetism tens of thousands of years...
View ArticleBrainteaser: Mixed measurements
Difficulty: Tricky A recipe for making ice cream requires 1 litre of milk. Unfortunately, you only have an empty 5-litre bucket and an empty 3-litre bottle. How will you measure just 1 litre of milk...
View ArticleRadioactive what? – A quick quiz
We’re back with another grab bag of science-y questions. From dinosaurs to bananas, getting a 5 out of 5 would sure be a-peel-ing! QUIZ START The post Radioactive what? – A quick quiz appeared first...
View ArticleQuiz: Mercury and back
This wide-ranging quiz takes you to Mercury and back while exploring both toxins and chocolate. Can you get a 5 out of 5? That would be sweet! QUIZ START The post Quiz: Mercury and back appeared first...
View ArticleBrainteaser: What’s the time?
Difficulty: Extreme! In two hours from now, it will be half as many hours until noon as it would be if it was just one hour from now. What’s the time right now? Need a hint? Try ‘waiting’ an hour and...
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Interview with the creators of Caution! This Book Contains Deadly Reptiles
This book is published by Allen & Unwin. In April, Double Helix reader, Owen Bardell, got the chance to write a review for a new book called, Caution! This Book Contains Deadly Reptiles by Corey...
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Fossilised wasp found with a flytrap for a bum
The newly discovered wasp was found in amber. The head is on the left and the bum flaps are on the right. Credit: Qiong Wu CC BY 4.0 Catching prey can be a real chore when you’re a parasitic insect...
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Homemade ice magic
The chocolate season is here! Why not try a bit of clever chemistry to enjoy a bit of ice cream before the weather chills too much? In this delicious experiment, we combine different ingredients to...
View ArticleAll over the Universe – A quick quiz
From tiny viruses to the oldest of stars, everything science-y is on-topic in this quiz. Can you get a 5 out of 5? We think you’re all over it! QUIZ START The post All over the Universe – A quick quiz...
View ArticleBrainteaser: Lost code
Difficulty: Fun Alice forgot the code to get into her computer. She knows it was a number with three digits. All she can remember is that the first digit is the second digit minus 3. The second digit...
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Make twin pendulums
Can you make a string swing without touching it? We’ll show you how in this simple physics experiment. You will need String Scissors Two chairs Handful of plasticine Safety This activity requires the...
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Ancient galaxies glimpsed in first image from the world’s largest radio...
Each one of these bright dots is a galaxy. Credit: SKAO CC BY 3.0. Focussing on a patch of sky covering roughly the same area as 100 full moons, the Square Kilometre Array (SKA) radio telescope in...
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Clap louder, with science
Scientists used baby powder to see what happens to air when we clap. Credit: Rebecca Bowyer, Cornell University We clap to get people’s attention, to say “congratulations” and even to make music. But...
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Chew like a dinosaur
In this activity we are going to take a look at how some dinosaurs may have digested their food. A dinosaur that chewed with gastroliths. Credit: Wikimedia Commons/A. Atuchin CC BY 4.0 You will need A...
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Can Australia become a renewable energy superpower?
The Nyngan Solar Plant in rural NSW is one of the largest solar farms in Australia. Credit: Getty Images/Andrew Merry Australia’s Renewable Energy Agency (ARENA) recently launched its $100 million...
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