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Double Helix Extra readers really got busy with brainteasers in 2024! Let’s do a count down of your top 5…

We’re diving in and exploring bodies of water to celestial bodies, animal bodies to human bodies. Are you a busybody with the knowledge to get 5/5 in our latest quiz?

Animals that live in salty water have to control the amount of salt in their bodies, or they will not survive. But how do they do it? This activity will help show you.

Get serious about science with the Double Helix quiz. We put you to the test with rocket science and radiation, as well as plants and petrology! If you’re after more fun science for kids, subscribe to Double Helix magazine!  

Time to test your scientific mettle. This week we’re asking questions about everything from tiny butterfly legs to huge continents. Good luck!

Written by Mike McRae Around 15 years ago, a New Caledonian crow named Betty amazed scientists with her talent for tool-building. That was nothing – wait until your meet these clever cockatoos.

Scientists have discovered a new Australian dinosaur, and it’s a big one! Several giant bones, some over one metre long, were uncovered near the town of Winton in central Queensland. But what’s got scientists all worked up isn’t what it looks like: it’s where it came from.

Spare a thought for taxonomists. Their job is to separate life into groups, from the great kingdoms of plants to animals, all the way down to individual species. Sometimes they have an easy job. For example, brown bears are easy to distinguish from polar bears. Other times, the differences are harder to find

Australians love dogs. About 40 per cent of Australian households have a dog. And if you love your dog, you should give it a hug, right? Probably not, new research shows.

Written by Azmina Hossain The crown-of-thorns is a venomous starfish that lives in the Great Barrier Reef. Growing up to massive lengths of 80 centimetres and having a body entirely covered in toxic spikes, the starfish is almost indestructible and is a vicious predator. They eat coral, the building blocks of the Great Barrier Reef. […]