A deep dive into what drives protests in Ghana

The history of protests in Ghana reveals three persisting themes. These may suggest what Ghana and some other countries could do to avoid protest action in future.

World wildlife trade affects one in five species, says report

More than 5,500 species of birds, mammals, amphibians and reptiles are bought and sold on the worldwide animal market, a volume that is around 50 percent higher than earlier estimates, a study published in Science said Thursday.

The enigma of bronze age tin

The origin of the tin used in the Bronze Age has long been one of the greatest enigmas in archaeological research. Now researchers from Heidelberg University and the Curt Engelhorn Centre for Archaeometry in Mannheim have ...

Extinction of Icelandic walrus coincides with Norse settlement

An international collaboration of scientists in Iceland, Denmark and the Netherlands has for the first time used ancient DNA analyses and C14-dating to demonstrate the past existence of a unique population of Icelandic walrus ...

Study offers new insights on impacts of crop trading in China

Feeding the world's growing population is one of the great challenges of the 21st century. This challenge is particularly pressing in China, which has 22% of the world's population but only 7% of the global cropland. Synthetic ...

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