Gesamtlänge aller Episoden: 14 days 4 hours 1 minute
The Rosetta comet mission and the man in charge of landing the robot Philae on comet 67P
Hong Kong psychologists test the effects of money from our generosity to agression
The impact of selective mutism, a condition often described as a phobia of speaking
Can the world’s companies manufacture four times more stuff without gutting the planet?
Palaeontologist and naturalist Richard Fortey on the evoloution of the Earth