Advocates say other types of human slavery include people being forced to work as domestic servants and in agriculture.

VOA: standard.2010.05.24

The regime constitutes an ethos that is to say a distinctive character that nurtures distinctive human types.

政体包含一种民族特质,也就是独特的性格培养出,独特的人格类别。

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He has pioneered the use of technology to study cancer-associated genes and to construct animal models of many human cancer types, including cancers of the lung, pancreas, brain, and ovaries.

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Professor Azim Surani, of the University of Cambridge, said the research should allow scientists to create a large range of human stem cell types, which could prove invaluable in studying disease.

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Geron scientists now manufacture seven different types of human cells from embryonic stem cells.

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