DW editor Eric Topona spent 106 days in prison in his home country Chad in 2013. He was accused of writing "subversive" articles and charged with "threatening constitutional order."   

Chancellor Merkel, in Davos, has said the conflict in Libya must be stopped before another refugee crisis begins. She added that a global decrease in diplomacy was making regions like the Sahel more unstable.   

The world economy produces wealth… as well as copious amounts of greenhouse gases, rising inequality and a devastating loss of biodiversity. Corporations now suddenly promise to fix all this. But will they really?   

How is it transmitted? What are the symptoms? And which precautionary measures are recommended to stop it spreading?   

While an unusually open title race has caught the eye, this season's Bundesliga also offers two of the world's most prolific strikers. Robert Lewandowski and Timo Werner have set new benchmarks and are on track for more.   

Dortmund youth prospect Youssoufa Moukoko could be one of the beneficiaries of a proposal to lower the age limit for footballers to play professionally in Germany. Clubs from the top two divisions will vote in March.