From the category archives:

General

Modern Moon Myths

May 14, 2012 Earth and Beyond
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These pop up all the time, the moon has been just a little bit important in human history and we’ve had lots of time to tell myths about it. It would be nice to think that as a group we’ve grown out of werewolves and love spells, except we’re still doing it. There are new moon […]

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Write it Down

May 7, 2012 General science
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I didn’t start on purpose, but this is turning into a little series on how some of the things we use the most have developed and changed. So far I’ve looked at cheese and milk bottle packaging. I enjoy history and archaeology, and I think the way we use materials and the effects of social changes […]

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Kid Questions: Why does my voice sound funny in the tunnel?

April 30, 2012 Energy and Change
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There is a spot in our school where the classrooms and verandahs make a little tunnel about 10m long. The kids all love the echoey sound and it’s common to see them popping in and out and giggling madly. The little girl noticed it the other day when we were walking through the school and […]

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ANZAC Day

April 25, 2012 General
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For my international readers, today is ANZAC Day, one of the most important Australian public holidays. It commemorates the landing of the soldiers of the Australia and New Zealand Army Corps in Gallipoli on the 25th of April 1915. The photo above is of the dawn service at Kings Park in Perth, something I went […]

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Birds Walk on Their Toes

April 23, 2012 General science
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In fact so do a lot of other animals, this walking on ‘feet’ business isn’t as simple as it seems. If you have a look at this photo something looks distinctly wrong about that bend in the middle. (Photo by Frank Vincentz) And this one, that looks right for a finch, but isn’t it wrong […]

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Greening My Home

April 20, 2012 Babies
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On Tuesday I posted about ways to save energy at home with practical tips. Today I thought I’d look at our home and make some public commitments of things I can realistically change. The house is fairly well designed – it was a pre-airconditioning house for the desert so is up on stilts with all bedrooms […]

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Things to do Right Now to Save Money and Energy in Your Home

April 17, 2012 Babies
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I have an addictive new app from Science Alert, which brings the latest science research in Australasia right to my phone. I’m sure you can guess why I like it. The other day it had this study from Wendy Miller at Queensland University of Technology showing that green homes use 80% less energy. Living in the […]

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Baked Icecream Revisited

April 12, 2012 Activities
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A while ago I tried to make Baked Icecream with fairly dismal results, but my lovely readers came to my rescue and concluded the recipe was wrong. So using suggestions from Jamie, Veronica, Lisa, Alicia and Trinity and based on Ann’s never-fail recipe, we tried again. First I turned the oven on to 230C so it […]

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Gondwana

April 9, 2012 Earth and Beyond
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Quick quiz – do you think Australia’s jungles are more like the jungles of Indonesia (directly north) or the jungles of India (several islands away)? Seeing as there’s no point in asking a question with an obvious answer, you probably got it right by saying India, even if you have no idea why or how. The […]

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Consider the humble milk bottle

April 2, 2012 Food
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In my lifetime it’s gone through a lot of changes, it’s interesting to consider why. Obviously technology has had a lot to do with it, but social changes have also been part of it. What does a milk container have to do? Be watertight. Allow pouring. Allow mass production and transport. Protect the milk. Glass […]

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