You might love to eat oranges or grapefruits, but just how much do you know about citrus fruits?

The CIA is offering advice to people in North Korea, Iran and China who want to share information with intelligence officials — without getting caught.

Three decades ago, finding opportunities to learn the Cantonese language in San Francisco wasn’t hard.

China is launching an aggressive campaign to promote Mandarin, saying 85% of its citizens will use the national language by 2025.

China's ruling Communist Party says its initiatives have helped to lift millions of people out of poverty. Yi ethnic minority members were moved out of their mountain villages in Chinas southwest and into the newly built town in an anti-poverty initiative. Children who until then spoke only their own tongue, Nuosu, attend kindergarten in Mandarin, China’s official language. “We protect and promote the learning, use and development of the Yi language,” the provincial party secretary, Peng, told reporters. “So it is kind of safe to have the Yi language as a medium of education,” said Harrell.