Nirvana

Kurt Cobain's MTV Unplugged guitar sells for $6m at auction

Cobain played the retro acoustic-electric 1959 Martin D-18E during a legendary MTV Unplugged performance in 1993, just five months before he died.

At $6.01m after fees, the guitar is the most expensive ever sold at auction, Julien's Auctions said.

Bidding in Los Angeles opened at $1m and was won by Rode Microphones founder Peter Freedman.

Nirvana's acoustic performance for the MTV Unplugged series on 18 November 1993 is now considered one of history's greatest live performances.

Here are the most iconic songs of all time, according to science

What is this incredible new information that will change our lives for the better?

An official list of the most iconic songs of all time.

OK, we might have oversold this a little bit, but it's still pretty cool how Dr. Mick Grierson, from the University of London was able to figure out which songs are truly iconic, based on certain parameters.