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Rocks and genes tell the same story News

by David, 19 September 2017 | 0 comments

A map of a world where all the land is connected into one blob.

The rocks beneath your feet tell an amazing story. Back when dinosaurs roamed the land, all the continents of Earth were joined together in a supercontinent we call Pangaea. But it wasn’t to last. About 180 million years ago, Pangaea started to split apart – first into two, and then into smaller and smaller pieces. Eventually,…

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How do you model a bushfire? Activity

by David, 13 September 2017 | 0 comments

a bushfire

Bushfires are destructive and dangerous. They can be fickle, but scientists are developing ways to predict their behaviour. This activity shows you one way that a scientist might think about bushfires. You will need Pencil Paper Coin A simple simulation Draw five adjacent squares. Draw a fire in the first square, and a house in…

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Focus on bonobo sight News

by David, 7 September 2017 | 0 comments

An older bonobo (45 years old), grooms another with arms outstretched

While observing bonobos in the wild, researchers from Japan noticed an interesting and familiar behaviour. Older bonobos were grooming with their arms outstretched. While this might not sound particularly noteworthy, check it out in the picture below. Look familiar? You might have seen your parents, or grandparents, do the same thing when reading the newspaper….

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How fast can you fidget? Activity

by David, 28 August 2017 | 0 comments

A wierd blobby fidget spinner with too many arms.

Have you ever wondered how fast your fidget spinner spins? If you want to find out, you’ll have to do some maths! You will need Fidget spinner Computer with a flatbed scanner and printer, or a photocopier Ruler Timer Paper Pen Calculator (optional) Safety: Be careful spinning your fidget spinner near the glass of your…

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Wild weeds of the subantarctic News

by David, 22 August 2017 | 0 comments

A scientists studies the ground as pengins walk past

Double Helix talks to weed hunter and botanist, Laura Williams. Read on to find out about her research on Macquarie Island, a remote subantarctic island fondly referred to as ‘Macca’. What do you like most about your work? I really love solving problems, which is the most important part of being a scientist! I also…

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What’s Fahrenheit? Activity

by David, 15 August 2017 | 0 comments

A thermometer with both Celsius and Fahrenheit measurements.

Do you have friends from the United States? Have you ever found a recipe on the internet with ridiculously high oven temperatures? Do you have a grandparent (or great grandparent) who doesn’t like the ‘new’ way of measuring temperatures? You might need our quick guide to the Fahrenheit scale.

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Weird and wacky spiders

by David, 10 August 2017 | 4 comments

A small, furry spider.

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?

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Five-cent star

by David, 1 August 2017 | 0 comments

Lots of coins on a star.

Here’s a tricky puzzle for you! An eight pointed star, and seven coins. Can you put all the coins onto the star? You will need 7 five-cent coins A copy of the eight-pointed star, which you can get here   The puzzle The aim of the puzzle is to get all seven coins onto the…

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A wiggly photo shoot for the Moon

by David, 19 July 2017 | 0 comments

A wiggly photo of a cratered surface.

If humans return to the Moon, they will need good maps. Luckily, one plucky little spacecraft has been making them. For the past seven years, the Lunar Reconnaissance Orbiter (LRO) has been painstakingly photographing almost all of the Moon’s surface. But the mission has not always gone to plan. One day, a photo came out…

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Sumerian numbers Activity

by David, 14 July 2017 | 0 comments

a section of an ancient clay tablet.

More than 5000 years ago, ancient Sumerians invented a way to write numbers. Their form of writing predates the pyramids, and even the invention of paper! In this activity, you’ll have a chance to try out this counting system.

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