By 2025, seven of ten largest metropolitan cities of the world will be located in Asia. China holds all chances to become one of the world leaders on the level of urbanization of the population. China is currently experiencing a peak of migration of the rural population in large cities. In general, by 2020, nine of the world’s largest metropolitan cities will overcome the limit of 20 million... 

One giant leap: This artistic impression shows what a mission to the asteroid may look like after NASA announced it hopes to land on one by 2025. The moon has had its day and Mars is just, well, too far away. Nasa plans to put a man on an asteroid by 2025 in a real-life version of the film Armageddon. Astronauts will embark on a six-month mission to land on a lump of rock around the size of a building...