Category Archives: Uncategorized

Why is Australia in drought again?

Australia’s weather is highly variable year to year, because we are a very large island surrounded by very large oceans. Droughts are quite common. But they aren’t increasing, Bureau of Meteorology data shows that over the past one hundred years … Continue reading

Posted in Uncategorized | Leave a comment

Why I changed my mind about… global warming.

Most, if not all, people would consider themselves to be open-minded.  Yet, if you ask someone to name an important belief that they have changed their mind about, in response to evidence and/or logic, most struggle to give even one … Continue reading

Posted in Uncategorized | Leave a comment

Actually, “the rich” already pay most of the tax

I was recently told by someone that they thought Australia needed to tax the rich more.  I asked how much of the government’s tax take they felt should be paid by the top 10% of income earners.  They didn’t give … Continue reading

Posted in Uncategorized | Leave a comment

Everything is subjective, but don’t worry about it

Outside of mathematics, geometry, and logic everything is subjective.  That is, anything about the empirical world is subjective, because we experience the real world through our (fallible, subjective) senses.  But, and it is a very big but, this isn’t the … Continue reading

Posted in Uncategorized | Leave a comment

Why people (on the left and right) love conspiracies

“It was because he wanted there to be conspirators. It was much better to imagine men in some smoky room somewhere, made mad and cynical by privilege and power, plotting over the brandy. You had to cling to this sort … Continue reading

Posted in Uncategorized | Leave a comment

Zealotry, closed-mindedness

An extreme case is when someone says “no fact, no information could make me change my mind”. A less extreme, and vastly more common, position is along the lines of “I would rather not listen to information that might lead … Continue reading

Posted in Uncategorized | Leave a comment

Does alcohol cause cancer ?

by Professor Byron Sharp short answer: The scientific evidence is that alcohol helps cause (only) two cancers: aerodigestive and liver.  These are rare causes of death, so the increased chance that drinkers will die from these cancers is tiny.  A … Continue reading

Posted in Uncategorized | Leave a comment