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.

Mapping mass shootings in the United States

The United States has more than 10 times the number of mass shooting incidents than other developed countries, yet little research has shown the distribution and types of shootings, geographically.

60 years of Antarctic ice sheet data released

In a significant milestone for Antarctic research, detailed and extensive information on ice thickness and bed topography is now available for the first time in a centralized and standardized format.

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