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At least since Russia's renewed attack on Ukraine in February 2022, nuclear weapons, almost forgotten after the end of the Cold War, have once again been the ...

The dimensions and consequences of climate change pose enormous challenges, especially for Africa. The problems are no longer limited to the more direct ...

In a memorable Bundestag session on 27 February 2022, Chancellor Olaf Scholz described a "turn of the times" and announced a special fund of 100 billion euros ...

Space is infinite, but the coveted space in low-Earth orbit is limited. The space-based infrastructure around our planet performs tasks that are indispensable ...

According to the World Hunger Index 2021, approximately 20 percent of the African population - some 278 million people - suffer from chronic hunger. The ...

Ethnic minorities not only make up the cultural and linguistic diversity that characterises China's society today. Many of the more than fifty ethnic groups ...