Similarly, researchers from Lund University in Sweden found toxic substances in the air of a smoky room were 120 times higher than in a smoke-free room.

BBC: Image of a smoke filled room

Earlier this year a team at Lund University in Sweden used a laser with pulses measured in attoseconds (billion billionths of a second) to record an electron in motion.

ECONOMIST: Ultra-fast lasers

In 2005 we started working together on a joint master thesis in industrial design after four and a half years studying at LTH, the Faculty of Engineering at Lund University in Sweden.

FORBES: An Airbag For Your Head - The Invisible Bike Helmet

Professor Daniel Conley from Lund University in Sweden, says they are "dangerous quick-fixes, " which could have a number of "unforeseen" consequences and allow countries to ignore their obligations for reducing the waste they dump in the Baltic.

CNN: Can oxygen pump breathe life into ocean 'dead zone?'

Philosopher David Brax of Lund University in Scania, Sweden makes a case for hedonism, arguing that our values -- things like friendship, health, prosperity and knowledge -- would not be worth anything if they did not bring us pleasure.

BBC: An argument for vice vacations