In a push evocative of the Soviet Union's efforts to bring Africa into its sphere of influence, the Kremlin has stepped up its presence across the African continent in recent years. From military campaigns to involvement in domestic politics, few African nations have been spared Moscow's interest.

Studies suggest ultra-processed foods causes cognitive decline, but how strong is the evidence?

To justify Russia's war on Ukraine, President Vladimir Putin has described the Ukrainian government as Nazis. Not only is the claim totally unfounded, but President Volodymyr Zelensky is himself Jewish and some of his relatives were murdered by the Nazis. Though experts have almost unanimously dismissed the Kremlin's claim, there are real concerns that the war could strengthen neo-Nazi groups both in Russia and Ukraine. Adrien Nonjon, an expert on Ukraine and the far right, joined us for Perspective to tell us more.

The German government is proposing a nighttime curfew if COVID-19 case numbers increase further. But would that have any effect? DW looks at the facts.