US vs Russia nuclear war 'could kill billions'

A nuclear war between the US and Russia could 'kill billions', a US study suggests. Models showed that firestorms would release soot into the upper atmosphere blocking the Sun.

Why officials in China requested algorithm data from sites like Alibaba. A new 'People not bots' campaign suggests AI is advancing in the wrong way for customers. Dr Alessandro Siani from the University of Portsmouth explains why better science education could improve covid-19 vaccine uptake. A court rules Twitter to hand over data from a fired executive to Elon Musk and a volcano in Iceland is spewing lava from a heart shaped crater.

Strictly star Rose Ayling-Ellis has unveiled the first-ever Barbie with hearing aids and a young boy who reached the 100 YouTube subscribers mark gets a special plaque from a friend.

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