Protect Arctic from 'dangerous' climate engineering, scientists warn

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Contactless card payments could become unlimited

Melvyn Bragg steps down from presenting In Our Time

Thirsty data centres boom in drought-hit Mexico

AI designs new superbug-killing antibiotics for gonorrhoea and MRSA

The trade in US body parts that's legal – but ripe for exploitation

4chan will refuse to pay daily online safety fines, lawyer tells BBC

Fans loved her new album. The thing was, she hadn't released one

Cache of WW2 bombs found under a playground in Northumberland