Farm animals are hauled all over the country; so are their pathogens
The bird flu virus that is spreading through American dairy cows can probably be traced back to a single spillover event. Late last year, scientists believe, the virus jumped from wild birds into cattle in the Texas panhandle. By this spring, the virus, known as H5N1, had travelled hundreds of miles or more, appearing on farms in Idaho, North Carolina and Michigan.

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Julian Assange’s long-awaited legal battle will reach a crucial stage as London judges decide whether his US extradition finally goes ahead or if he gets another appeal chance.

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Taiwan’s new president calls on China to end threat of war
New Taiwan President Lai Ching-te urged China to stop its campaign of pressure of the democratic island, comments aimed at calming a dispute at the heart of a geopolitical rivalry involving the world’s two biggest powers.

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Julian Assange to face next stage of extradition legal battle at UK High Court

Julian Assange is set to face the next stage of his legal battle over his extradition to the US at the UK High Court.

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Obituary: Iran&s President Raisi took hard line with national protests and nuclear talks

Ebrahim Raisi, who died aged 63, rose through Iran's theocracy from hardline prosecutor to uncompromising president, overseeing a crackdown on protests at home and pushing hard in nuclear talks with world powers as he burnished his credentials to position himself to become the next supreme leader.

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Explainer: Who is Mohammad Mokhber, the man set to become Iran's interim president?

Here are some key facts about Mohammad Mokhber, 68, Iran's first vice president who, based on the country's constitution, is expected to become interim president following the death of Ebrahim Raisi in a helicopter crash.

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