When notes are grouped together, the result can sound resolved and pleasant, tense and harsh, or anywhere between. But what exactly makes tones played in unison consonant or dissonant, or sound ...

Nietzsche shows us how to embrace our connection with nature – without denying its essential conflict, strife and suffering ...

René Descartes, the founder of modern philosophy, was furiously condemned by his contemporaries. Why did they fear him?

Is consciousness like jazz, something hard to pin down? Or is it more like the biology of dolphins, odd but natural?

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