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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...
View ArticleBrainteaser: Slicing cheese
Difficulty: Fun Kim has a big round cheese, and an even bigger knife. With three straight cuts, what’s the largest number of pieces she can cut? Need a hint? You can draw the cheese as a circle on...
View ArticleBig things – A quick quiz
Think you know some big facts? Try this quiz and see if you can post a big score! QUIZ START The post Big things – A quick quiz appeared first on Double Helix.
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Forever chemicals create long-lasting effects on turtles
A freshwater turtle (Emydura macquarii macquarii) in Queensland. Credit: CSIRO Over three years, the team captured and released 350 freshwater turtles. Credit: CSIRO A ground-breaking new study has...
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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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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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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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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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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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