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Why Do Dogs Tilt Their Heads When They’re Listening?

The fact that Mental Floss published this article means that I’m not the only one who wonders about questions such as this.
The answers provided sound okay.
And having heard a bit about emotional ‘intelligence’ at my training days in Sydney, it’s interesting to think that this is a sign of dog’s capacity to read out emotions.
It would seem that cats don’t tilt their heads because they simply don’t care.
And, there’s always the ongoing debate about whether dogs can look up or not.

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Solar System To Scale

As Douglas Adams wrote, ‘Space is big. Really big. You just won’t believe how vastly, hugely, mind-bogglingly big it is. I mean, you may think it’s a long way down the road to the chemist, but that’s just peanuts to space.’
This video demonstrates that truth, as a scale model of the solar system is created on a Nevada lakebed.
The sun and planets are sized relative to orbiting distances.
The effect is compelling.

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GIF Of Pluto Images Through The Years

NASA has released this GIF image demonstrating the increase in resolutions of Pluto.


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Most Kangaroos Are Left-Handed

As a left-handed person, I feel compelled to mention this.
A recent paper with the engaging title ‘Parallel Emergence of True Handedness in the Evolution of Marsupials and Placentals’ observes that ‘Bipedal macropod marsupials display population-level left-forelimb preference’.
In English this means kangaroos basically use their left paws in preference to their right ones for basic tasks.
Go here for a bit more background and a link to the paper in question.

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The Difference Between Hardwood And Softwood (via Today I Found Out)

Mount Gambier is surrounded by pine forests. There are some eucalypt forests as well.
This post on Today I Found Out is about what demarcates the difference between hardwood and softwood.
Apparently the Janka Hardness Test is the common scale for determining the hardness of various types of wood.
It also reveals (in a qualified sort of way) that the hardest wood comes from the Australian Buloke (pronounced “Bull-oak”) tree.

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Mosquitoes At Night (via Doghouse Diaries)

A great feature of living in Mount Gambier (and never, ever, going camping) is that mosquitoes are basically non-existent.
But I can still remember life in those bug infested parts of Australia, and have done pretty much all of these when I forgot the Aerogard…