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. 

A former DW blog award winner is jailed as Iran faces more political and economic pressure. Tehran is cracking down on people it says use the Internet to connect with foreigners to disrupt upcoming elections. 

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.