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Equilibria can be a tricky concept to understand. In order to understand it, you need a good idea of reversible reactions and then a good idea of a dynamic equilibria. So, what is a reversible...

In Books VIII and IX of The Republic, dedicated to imperfect societies, Socrates undertakes a systematic political and psychological survey of the forms of government following the demise of his perfect state, doomed to extinction...

The more we think about syntax, reading or writing it, the more we close in on sentences. If syntax is basically the ordering of words, sentences are how we deliver or read that ordering of...

This wonderful title comes from a book about translation recommended a while back by a colleague. It’s a stimulating set of short essays by David Bellos, a distinguished translator, written in a style that makes...

On October 25 1917 the Bolsheviks seized power in Petrograd, beginning the process of Communist control in what would become the Union of Soviet Socialist Republics.  Based on that information alone, most would think that...

Nelly Furtado – All Good Things (Come To An End) (US Version) Dear old OCC, Farewell. You have been such familiar habit I may find it hard to simply forget you because “My IB” is...

I hope you remember reading a post of mine which was published on this site at the end of July this year titled Transforming the meaning of evidence and truth. If not, go have a...

To be named as a “Hero of Uzbekistan” is to be awarded the highest national honour in that country. Recently, Muhabbat Sharapova, one of the country’s top mathematicians, received the award – not for her...

A picture – worth a thousand words? My visual arts blog this month has a Theory of Knowledge element. I’m in the happy position of teaching both DP Visual Arts and DP Theory of Knowledge. There...

I’ve just started teaching the kinetics topic to my students and so far we have focussed on the collision theory. Have you heard of this? The collision theory explains to us what happens during chemical...

As an empiricist, Hume believed that all our ideas are originally based on first -hand experience which enables us to grasp the notions of ‘habit, contiguity and association of ideas’. The law of cause and...

We carried out a great lab in school today, making esters. Have you ever done this? What was good about it was that we used a good range of reagents and got some very different...