19 cities with 20 million people in the 21 century

In 1800 less than 3% of the world lived in cities. Now, more than half of the world lives in cities, and by 2050, more than 2/3 of the world will live in cities.

The world is changing, we are changing…. cities are rising! What’s next? Find out more from this site: 192021.

Creativity test

Are you a creative person? If you don’t know, and you wanna find out, take this simple, cool test : Right Brain vs Left Brain Creativity Test. This test is a serious one, with methods pioneered by Dr. Roger Sperry’s research on brain lateralization, for which he won a Nobel Prize in 1981. It has 54 question and it should take you about 10 minutes. The results are quite complex, giving you cool information about your brain