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We’re counting on you this Double Helix quiz, or perhaps you’re the one counting! Can you calculate what’s needed to get 100% this week? If you’re after more fun science for kids, subscribe to Double Helix magazine!  

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!  

It’s time for another round of science trivia. This week, we’ve got ancient questions about what happened before the Jurassic, and a puzzler about what meteoroids are.

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

Here’s a quiz to get your brain pumping. Test your knowledge of floating metals, and not one but two questions about the closest star to home – our Sun! If you’re after more fun science for kids, subscribe to Double Helix magazine!  

Plastic waste in our oceans is a big problem for marine fauna. Not only can it look like food, it seems some animals have developed a taste for the material. And that’s a problem.

Written by Mike McRae An animal that smells of popcorn sounds more like a creature from a fairy tale than from reality. But the bearcat, found in Southeast Asia, is a real-life fantastic beast known for its unusual popcorn scent. The source of its smell, though, is hardly appetising.

Some of Australia’s spiders have terrifying names. Funnelweb and Redback are names that scream danger. Even the helpful Huntsman Spider sounds like it could be out to get you. But not all spiders have scary names. How would you feel about meeting a spider called Sparklemuffin?

You might think we know everything there is to know about climate change. We know that greenhouse gases, such as carbon dioxide and methane, are trapping heat. And we know that average temperatures are climbing worldwide. But there’s still lots for us to learn, and new discoveries are being made all the time.

In a recent blog post we reported on farts, a type of methane emission. When talking about these emissions, we made an omission. That is, we should have mentioned burps as well as farts.