Yang Weidong interviews a subject for his documentary project "Signal," which finds that the vast majority of China's intellectuals yearn most for freedom. He plans to interview 500 of China's top thinkers for the project.
Courtesy Yang Weidong
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When a raindrop hits a mosquito, the mosquito and drop join together, and the mosquito rides the drop for about a thousandth of a second before its wings, which act like kites, pull it out of the water.
CDC Public Health Image Library
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Tunisian women walk through the narrow streets of Tunis' medina, or marketplace. Compared to women in other Arab countries, Tunisian women have had access to education and job opportunities for decades.
John Poole/NPR
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Geneva Hunter (left), who runs the secretarial operations for a Washington, D.C., law firm, decided to take a hands-on approach to her mother's care and moved Ida Christian, 89, into her Maryland home.
Kainaz Amaria/NPR
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Venus passes between Earth and the sun during its last transit on June 8, 2004, as seen from Manila, Philippines. The next transit of Venus will be in 2117.
Bullit Marquez/AP
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