This article is part of a Nature series examining data on ethnic or racial diversity in science in different countries. See also: How UK science is failing Black researchers — in nine stark charts.

For millions across India, a rigid caste system thousands of years old still dictates much of daily life – from social circles to dating pools to job opportunities and schooling. The Indian government ...

Discrimination against individuals based on caste would seem to be a relic of the past. Even in India, where the caste system was most rigid, the practice has been officially banned since 1950.

FILE - Members of the audience listen to a speaker at a rally organized by National Conference of Dalit Organisations in New Delhi, India, Sunday, Dec. 5, 2005. Dalits, who belong to the lowest of ...

(CNN) — For millions across India, a rigid caste system thousands of years old still dictates much of daily life – from social circles to dating pools to job opportunities and schooling. (CNN) — For ...