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Biological sciences posts

The Beauty Beneath – Underwater Sydney Book

by David, 12 September 2019 | 0 comments

seaweed and fish under the sea

Dip below the surface to discover the extraordinary plants and animals that call Sydney Harbour home.

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Poems from the periodic table News

by Jasmine, 15 August 2019 | 2 comments

Is there a chemical element you love the most? To celebrate the International Year of the Periodic Table in 2019, Double Helix is running a poetry competition for school-aged students with support from the Royal Australian Chemical Institute (RACI). Meet our chemistry expert and competition judge, Michelle Neil!

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Super-quick reflexes? Just add electricity! News

by David, 1 August 2019 | 0 comments

Photo of a young boy with his eyes shut, juggling three balls.

Have you ever wished you had superhuman reflexes? In a simple but effective experiment, scientists from Sony Computer Science Laboratories and the University of Chicago used electrodes to improve people’s reaction times.

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Lizard smarts: baby blue-tongues born clever News

by David, 18 July 2019 | 3 comments

A small blue tongue lizard on a person's hand.

Have you ever looked through your old school books? You might be surprised at how many mistakes you used to make, or the things you didn’t understand. Human brains take decades to fully develop, but eastern blue-tongue lizards might be born as clever as their adult counterparts.

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T-shirt dye designs Activity

by David, 13 June 2019 | 0 comments

Time to get creative! With some permanent markers and methylated spirits, you can use chemistry to make some cool looking t-shirt designs.

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Do cats recognise their own names? News

by David, 9 May 2019 | 2 comments

Plenty of owners will tell you their cats are smart, compassionate and wonderful creatures. Scientists are curious about whether this is actually the case. Until this year, scientists weren’t even sure if cats knew their own names.

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Bubble nets at home Activity

by David, 2 May 2019 | 0 comments

Someone is scooping confetti out of a bowl of water with a measuring cup

If you thought humans were the only fishers who use nets, think again! Humpback whales work together to net and herd fish, making the fish easier to eat. But these whale nets are made of bubbles! To learn more, it’s time to blow some bubble nets ourselves.

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Keep your green thumbs to yourself! News

by David, 14 March 2019 | 2 comments

Seedling growing from the soil with gardeners hands cupping around plant.

Written by Mike McRae Your pets might like a good scratch, but new research suggests your beloved pot plants might not be so fond of having their fronds fondled.

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How to find the world’s biggest bee News

by David, 28 February 2019 | 3 comments

Image of a giant bee and a smaller honey bee.

As long as a thumb and with a six-centimetre wingspan, you’d think it would be hard to miss Wallace’s giant bee. Alfred Wallace – a biologist who, at the same time as Charles Darwin, also came up with the theory of evolution through natural selection – wrote about it way back in 1858. But since…

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Can bacteria survive 500 years in space? News

by David, 14 February 2019 | 3 comments

Image of a red orb sealed in a glass bottle.

Imagine bacteria, clinging to a rock, floating deep in space. The rock was once blasted off its planet by a cataclysmic explosion. Hundreds of years in the future, the rock encounters a new planet, bringing these lonely bacteria with it. The question is, could the bacteria survive?

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