In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
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Sweden is so good at recycling, it has run out of garbage and now must import garbage from Norway to fuel its energy programs.
20
Cuban rescue workers use sniffer rabbits to find people in collapsed buildings.
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India's richest person, Mukesh Ambani, built a $1 billion home. It has 27 habitable floors, including six parking floors with a capacity to hold up to 168 cars. 600 staff maintain the home.
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On Titan, Saturn's largest moon, the atmosphere is so thick and the gravity so low that humans could fly through it by flapping "wings" attached to their arms.
7
Yu Youzhen, a Chinese millionaire, works as a street sweeper for the sanitation department to set an example for her children.
11