Donald Trump can rarely resist the urge to engage in name-calling. Typically, his barbs are more juvenile than consequential. But his designation of…

“Every time I find one of these lunatics, I take away their visa.” That is how Marco Rubio, the secretary of state, last month described the Trump…

When a German party triggers a Zählappell, or parliamentary roll call, it is serious business. As a television commentator recently joked, “They will…

Scientists looking to remove carbon dioxide (CO2) from the air cleanly and cheaply have long been interested in metal-organic frameworks, or MOFs:…

European leaders filed into the Elysée Palace on 17 February in bright sunshine and a sombre mood. They were still reeling from the message conveyed…

Ever since Donald Trump vowed during his election campaign to end the war in Ukraine quickly, President Volodymyr Zelensky and his European…

If there is a single technology America needs to bring about the “thrilling new era of national success” that President Donald Trump promised in his…

The traditional point of an inaugural address is to transcend the politics of the campaign and draw the country together. Donald Trump’s second…

As they awaited their Christmas bonuses, people on Wall Street pondered their worth. Two questions can sharpen the mind of even the most senior…

On 6 January, Justin Trudeau, Canada’s prime minister, announced his resignation after weeks of speculation and a mounting political crisis. The…