Picturing the future can be fascinating. An exhibition on the development of science fiction in Germany at a Bonn museum traces this fascination. Here are some of the highlights.
Since the start of the technological age, science fiction has acted as a reflection of the public's fascination with the future and inspiration for scientists to develop new technologies. An exhibition at the Haus der Geschichte (History Museum) in Bonn focuses on how science fiction has developed in Germany. In some ways, the exhibition is a time capsule.
Lost in space
The film "Raumschiff Venus antwortet nicht" ("Venus spaceship doesn't answer") was the name for the West German release of the GDR movie "Der schweigende Stern" ("The Silent Star"). A co-production of the GDR and Poland, the film came out in 1960 - a year after the Russian Luna mission successfully sent an unmanned spacecraft to the moon.
Hanover-based researcher Dr Andrew Lundgren tells DW he was one of the first to hear the sound of a gravitational wave. He says Germany has played a key role in the international quest to prove Einstein's theory.
Like all legumes, lentils are very rich in fiber. 100 g lentils contain 17g of dietary fiber. This fiber is extremely beneficial to the entire digestive tract. In addition, they're a good source of protein and zinc.
Air pollution is one of the major causes of premature death in the world, scientists have told a major conference. Two countries account for more than half of the several million fatalities each year, they say.
In an age where hundreds of women still die every day in childbirth, light can provide a genuine lifeline. A pioneering solar project is delivering hope to doctors, midwives and mothers-to-be all over the world.
Scientists are working feverishly to understand the complex mechanisms driving sea level rise. Without drastic cuts in CO2 emissions, they say 20 percent of the global population may lose their homes to rising seas.