Mercury contamination rampant in Brazil Indigenous group: Study

Researchers in the Brazilian Amazon found universal mercury contamination among members of the Yanomami Indigenous group living in a region awash in illegal gold mining, said a study published Thursday, warning of devastating ...

After 'mama,' children's first words include 'this' and 'that'

Across languages and cultures, words that help direct caregivers' attention are likely to be among the first children learn and use frequently, according to a new Cornell study that is the largest ever, by sample size, of ...

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