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Earth’s heart is like solid gold News

by David, 25 October 2018 | 0 comments

Image of half a sphere with three central glowing layers. The inner core being the brightest.

You might not think about it much, but there’s an amazing planet under your feet. Dig down about 50 kilometres and the rocky crust begins to give way to the hot, soft mantle. Deeper down, the rocks get hotter and runnier, reaching temperatures of thousands of degrees. At the very centre, there’s a solid core…

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It’s rocket science – a quick quiz Quiz

by David, 4 July 2018 | 0 comments

Black lightning bolt in purple circle

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!  

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Don’t roast marshmallows in volcanoes News

by David, 7 June 2018 | 0 comments

Image of hot lava in the crater of a volcano.

It’s no secret that volcanoes are dangerous. The recent eruption of Guatemala’s Volcán de Fuego has taken more than 110 lives. In Hawaii, lava has covered roads, destroyed cars and set fire to buildings. So it may come as a surprise to hear that people are wondering if they can use volcanoes to toast their…

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Amber and alloys – a quick quiz Quiz

by David, 11 April 2018 | 0 comments

Black lightning bolt in purple circle

From the time of dinosaurs to mysterious materials, this week’s quiz is a real brain bender. Time to test your knowledge!

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Hovering surprise for earthquake scientists News

by David, 12 May 2017 | 0 comments

A blue helicopter.

Iceland is a remote and beautiful island, brimming with volcanoes. Volcanic eruptions give the Earth an almighty shake, so it’s no surprise that Iceland has lots of earthquake measuring seismometers. But you might be surprised to find out what these instruments are picking up. Recently, a team of scientists placed several seismometers around an Icelandic…

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Biggest ever asteroid impact found in Australia

by , 27 March 2015 | 0 comments

Deep underground in the centre of Australia is evidence of the biggest asteroid impact in the Earth’s history. It wasn’t just a single impact, but a twin strike from a meteorite that may have split into two as it plummeted towards Earth.

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Exploding volcanoes

by , 24 October 2014 | 0 comments

One of our readers requested an article about explosions, and there have been some big volcanic eruptions recently. But, what makes a volcano explode? And, are all eruptions explosive? Our planet is not all it seems. Based on the soil at our feet, we might imagine that the world is rock and dirt all the…

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Know your temperatures

by Jasmine, 1 April 2014 | 0 comments

Written by Matthew Dunn Illustrated by Alex Hallatt −273.15 °C Absolute zero Absolute zero is, unsurprisingly, the lowest temperature possible. When things get colder, their particles slow down. At −273.15 °C, they are motionless and entropy is zero. We can’t cool things down to absolute zero, but Finnish scientists have got very close − even as close…

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Origin of diamonds News

by Pat, 22 March 2013 | 0 comments

A rock containing a diamond.

Diamonds hold a special place in our imagination: they’re valuable, extremely hard, and sometimes just really pretty. Chemically speaking, diamonds are simple – they’re carbon. Carbon is an important element. All living things are made of compounds that contain carbon. One property of carbon is its ability to form allotropes. Allotropes contain the same element,…

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Pancake peaks Activity

by Pat, 20 March 2013 | 0 comments

Pancakes with ice cream and blueberries.

Here’s a tasty way to think about tectonics! Learn where many mountains come from, and at the same time, make yourself a delicious pancake breakfast.

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