Brainteaser: Valentine’s chocolates
Difficulty: Extreme! Sam arrives first to her after school Maths Club meeting. She discovers that her teacher has left a basket of Valentine’s Day chocolates. It comes with the instructions to share...
View ArticleHave a heart – A quick quiz
This Valentine’s Day, we’re giving you our heartiest quiz yet! Can you beat these five questions or will the pressure be too much? QUIZ START The post Have a heart – A quick quiz appeared first on...
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Effects of gophers on volcanic plains revealed
The Mount St Helen’s volcano. Credit: Wikimedia Commons / Lyn Topinka. The 1980 Mount St Helens eruption in the USA led to a surprising discovery. The eruption killed 57 people and destroyed 350 km2 of...
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Future fish for Aussie aquaculture
A school of pompano. Credit: CSIRO Swordfish served with asparagus, David’s Restaurant, Amelia Island, FL. (Photo by: Education Images/Universal Images Group via Getty Images) White fish is a popular...
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Make a Pepper’s ghost
Impress your friends and family with this floating image – a modern take on an old-timey magic trick. You will need Clear plastic dome from a frozen drink or smoothie Thin plastic container with flat...
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The quantum measurement problem
Quantum computers make use of the strange behaviour of quantum particles. Credit: Wikimedia Commons/Y. Colombe/NIST What’s all this buzz about quantum? Maybe you’ve heard it in science class or maybe...
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Oldest alphabet may have been found in Syria
Clay objects roughly the size of fingers were discovered during a dig. Credit: Glenn Schwartz, Johns Hopkins University Archaeologists from John Hopkins University have recently discovered what may be...
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Free marine ebook makes a splash with kids
Double Helix has partnered with Cosmos Magazine to publish a free ebook that takes kids aged 8 to 12 on a dive into the science of our oceans. Conservation initiatives aim to save species such as this...
View ArticleBrainteaser: A snail adventure
Difficulty: Fun An adventurous snail decides to climb up a wall to the roof of a school. The snail can climb up 3 metres in a day but slides back down 2 metres at night! If the school is 12 metres...
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A kowari comeback
An alert kowari. Credit: Jack Bilby It’s nighttime in the South Australian desert and a predator is using its big eyes and alert ears to track down its food. With its big brushy tail held high, it runs...
View ArticleCrack the code – A quick quiz
Calling all codebreakers! Can you hwfhp ymnx htij? Hint: the cipher will help you score 101 out of 101. QUIZ START The post Crack the code – A quick quiz appeared first on Double Helix.
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Lizards use bubbles to breathe underwater
Close-up of an Anolis lizard with a rebreathing bubble on its nose. Credit: Lindsey Swierk In 2021, Assistant Professor Lindsey Swierk discovered that the water anole can use a bubble to breathe...
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Try this: Soap boat
Sailboats use the wind to push them along, and motor boats have a propeller. This little boat is powered by something else – soap! You will need Good pair of scissors Thin, stiff plastic such as a...
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Prime passion: Finding a 41-million-digit prime number
An example of a graphics processing unit or GPU. Credit: Wikimedia Commons/Diego3336. Last October, an amateur mathematician named Luke Durant discovered the largest known prime number, M136279841, a...
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Orcas set sights on big prey
A group of orcas swimming in the coast of La Paz, Baja California. Credit: Cavan Images / iStock / Getty Images Plus. The orca, or killer whale, is one of the ocean’s most feared creatures. They are...
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Deep-sea sponge inspires a new super strong material
A Venus flower basket sea sponge in the deep ocean. Credit: Wikimedia Commons/NOAA Okeanos Explorer Program Can you imagine having a skeleton made of glass? The sea sponge known as Venus’ flower basket...
View ArticlePlants – A quick quiz
Don’t moss around with this leafy quiz! This week, we’re branching out to plants. Can you get a 5/5? We’re rooting for you! QUIZ START The post Plants – A quick quiz appeared first on Double Helix.
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Try a Pi drop
Mathematicians bake pies for their favourite number – Pi! Credit: ©iStock.com/Mizina Do you have a mathematician in your life? Chances are, they’re a big fan of the number Pi. Celebrate Pi Day with...
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Op-Ed: No, no, no, a million times no
Space agencies are looking for water beneath the surface of Mars. Credit: NASA/JPL-Caltech. Climate change is a looming threat to planet Earth, so scientists have been thinking of solutions. One of...
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Climate change is causing dengue cases to soar
Aedes aegypti, the mosquito that spreads dengue fever from person to person. Credit: Wikimedia Commons / Apurv013 The World Health Organisation’s logo. Credit: Wikimedia Commons / United States Mission...
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