Might our universe – as vast as it is – be simply one of many? We look at the growing evidence that there’s more than one cosmos out there

Imagine you’re in a woodland, with sunlight filtering through the endless green canopy overhead. There’s uniqueness everywhere. Some trees grow bolt upright, but others are wizened and twisted. Here t

It’s difficult to know for sure how many electrons are in the Universe. British physicist Arthur Eddington (1882–1944) came up with a number in 1938, now known as the ‘Eddington number’. Eddington’s c

AN ESSENTIAL TECHNIQUE all electric guitarists should strive to master is the art of string bending, which can be used to create personally expressive, vocal-like sounds in unique ways. String bending

Classical music has a problem with perfection. You’d have thought the most important job of any professional musician was learning, playing and repeating the notes composers wrote down so often that t

‘I was born twice,’ said the great Russian bass Feodor Chaliapin. ‘In Kazan I opened my eyes to life, and in Tbilisi to music.’ What is it about music and the Georgians? Some members of that Caucasian