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Chao, 46, recalled the first time he studied such hybrids in 1998, when he spent nearly 10 hours every day in the field to test pollen transmission among different varieties.

Centuries ago, colonial rulers had brought and forced their traditions upon the colonized, while the latter shared their culinary creativity with the rest of the world largely through a blood-tainted trade of slavery. Since the independence movement in the 20th century, famine and violence have been regularly grabbing headlines in the Western world, completely overshadowing the greatness of the continent's cultural heritage.

Chan said Tyndall acted "too aggressive", but due to her lack of gynecological experience, she brushed aside the discomfort.

Carnival Cruise Lines fell 9.45 percent. Royal Caribbean declined 6.26 percent.

Changes in China over the last 40 years were overwhelming, and these changes had roots in the reform and opening policy framed in 1978, Fearnley said.