Most people think of computer hackers as a global threat. But hackers can also be put to good use: making the internet safer, by identifying out weak spots before others do. Companies are paying hackers big money to work for them.

Cybercrime results in billions of euros in damage every year. So companies are investing more and more in IT security. We talk to IT expert and hacker Tobias Schrödel about digital security gaps.

We talk to IT experte Tobias Schrödel about digital security gaps and risks in online banking.

We test drove German electric cars on a 14-day cross-country road trip, starting and ending in Berlin, down 2500 kilometers of Autobahn. The challenge was to find charging stations before running out of juice.

Report by Joachim Eggers and Christian Roman

Germany's biggest amusement park is going digital. The Europapark Rust offers classic rides enhanced with virtual reality in a bid to bring in the crowds. A roller coaster with a VR headset is an experience.

Plug-ins fill up on electricity and away they go. But how exactly? We explain how an electric car is powered and what advantages and disadvantages electric motors have compared to internal combustion engines.

Germany still has a long way to go to achieve the government's declared goal of 1 million electric cars by 2020. How does Germany measure up internationally? We talk to mobility researcher Birgit Gebhardt.

Britain's vote to leave the EU has left the London real estate business in turmoil. For years now, market prices have been rising steeply, but ever since the Brexit referendum, uncertainty has been roiling the British housing market.

Report by Grit Hofmann

We test drove German electric cars on a 14-day cross-country road trip, starting and ending in Berlin, down 2500 kilometers of Autobahn till the batteries glowed red-hot. The suspense lay in finding a charging station before we ran out of juice.

What economic consequences do terror attacts have for countries affected? What do they mean for consumerism, investment and growth? We ask terrorism researcher Tim Krieger of the University of Freiburg about the economic risks posed by terrorism.