Brazil row over switch to e-books in Sao Paulo schools

The Sao Paulo state government decided this week to largely replace textbooks with e-books in high schools, sparking a row in Brazil, where education experts and publishers warned the move could have negative consequences.

Get the 'forever chemicals' out of our drinking water

A recent study by the U.S. Geological Survey found that nearly half of the drinking water in the United States is contaminated with "forever chemicals," the per- and polyfluoroakyl substances known as PFAS that can cause ...

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