Recent findings show the number of malaria-related deaths is nearly twice as high as previously thought. But other experts have doubts about the methods used to produce these estimates. 

UK researchers have shown that cab drivers who learn the layout of the capital city - 'the Knowledge' - exhibit growth in the brain, challenging the notion that children are the only ones with 'plastic' minds. 

The American online coupon firm is partnering with Deutsche Telekom to unleash physically-based deals. One German startup may already point the way forward.  

In a DW interview, a Bulgarian cybercrime researcher tells how he unmasked a group of scammers. He says the group made an estimated $2 million over the past few years.