British soldiers opened the first concentration camp in Russia in 1918, during World War One. To locals it was known as "Death Island".
Tom de Castella bet that his petrol-fuelled old banger was cleaner than his dad's 2009 diesel. The test showed some new cars are worse than either.
We are not used to the idea of machines making ethical decisions, but the day when they will routinely do this - by themselves - is fast approaching.
7 days quiz: It's the weekly news quiz - have you been paying attention to what's been going on in the world over the past seven days?
A book detailing how to deliver pain relief to ethnic groups has been removed after criticism on social media
US agency posts a series of tweets explaining why a four-legged operative was relieved from duty
Residents fed up with a two-hour drive to buy fuel decide to take matters into their own hands.
Grape the penguin became an online star after he "fell in love" with a cardboard cut-out in his enclosure.