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Posts by David

Creating a vaccine for coronavirus News

by David, 27 February 2020 | 4 comments

Microscopic image of a virus stained yellow.

Article updated 2 April In the fight against the new coronavirus disease (COVID-19), it’s important to move fast. Some of the world’s best scientists are looking for a vaccine, a drug that teaches your body how to fight an infection before you even get it. However, making a new vaccine for coronavirus is a very…

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A taste of science – a quick quiz Quiz

by David, 26 February 2020 | 0 comments

Black lightning bolt in purple circle

This quiz explores one of our most enigmatic senses. Do have the answers you need to taste victory?

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Mirage in a cup Activity

by David, 20 February 2020 | 0 comments

Class of clear liquid with layers between the clear liquids, affecting the image seen through the glass.

If you’re in the desert on a hot day, you might see things that aren’t really there. But that’s not the only way to see a mirage – you can also see them in a glass of sugary water!

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Kiwifruit combos Brainteaser

by David, 19 February 2020 | 0 comments

Brain icon

Difficulty: Tricky Chloe is researching kiwifruit. Kiwi plants are unusual compared to many plants, as they’re either male or female. To make a kiwifruit, you need pollen from a male plant to fertilise a flower on a female plant.

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How do you bend a diamond? News

by David, 13 February 2020 | 0 comments

Diamond held by pliers.

Diamonds are amazing crystals. A repeating pattern of pure carbon atoms, they’re famous for being the hardest substance in the world. Yet, an Australian team of scientists have just managed to bend diamonds. So how did they do it?

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Inca quipu numbers Activity

by David, 6 February 2020 | 0 comments

a lot of knotted strings all tied together.

People record numbers in lots of different ways. This method was used by the Inca people and many others who lived near the Andes Mountains of South America.

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Difficult donkey Brainteaser

by David, 5 February 2020 | 5 comments

Brain icon

Difficulty: Taxing Darryl wants to ride his donkey from Alphaville to Betatown. The donkey is always hungry and will only walk if Daryl keeps feeding her apples.

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Splash and a dunk key to cooling off News

by David, 30 January 2020 | 0 comments

Two boys playing with a hose

By Michelle Wheeler Summer scorcher and no air-con? Dunking your feet in water can make the heat more bearable, Aussie research suggests. Sponging yourself all over is even better, and has the added benefit of lowering your heart rate.

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Leaving patterns Activity

by David, 21 January 2020 | 0 comments

a cup of water with plastic over the top and a coin balancing on that.

Written by Elvina Lee Here’s a cool activity that’s perfect for a hot summer’s day! Create a curious pattern with water.

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2020 megaquiz is here! Quiz

by David, 2 January 2020 | 0 comments

Black lightning bolt in purple circle

Start the new decade with a challenge! This megaquiz will test your knowledge of all the quizzes we wrote in 2018. The questions are randomly selected, so if you want more questions, you can just reload the page. Or head back to our 2019 megaquiz!

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