Visa costs higher for people from poor countries

How much do people have to pay for a travel permit to another country? A research team from Göttingen, Paris, Pisa and Florence has investigated the costs around the world. What they found revealed a picture of great inequality. ...

Earth had its coolest February on record since 2014

February 2021 was the planet's coolest February in seven years due to La Niña in the tropical Pacific Ocean and unusually brisk temperatures that enveloped much of North America and northern Asia.

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