A 43-carat alexandrite in the collection of the British Museum. Abundant alexandrite deposits were first discovered in 1830 in Russia’s Ural Mountains. Those first alexandrites were of very fine ...

Passengers have been left stranded in airports around the world after the collapse of budget airline Primera Air. The airline started offering long-haul flights from UK airports earlier this year ...

The proposed system uses waste heat by thermally coupling a water lithium bromide absorption heat transformer with a water vapor compression heat pump. It reportedly achieved a temperature ...

Human beings are built to size each other up quickly. These first impressions are influenced by a number of factors, such as facial shape, vocal inflection, attractiveness, and general emotional ...

Today's Brighton vs Arsenal live stream has the Seagulls searching for their first win since November — here's how to watch online and on TV from anywhere. All the ways to watch Crystal Palace ...

Facebook has taken down a string of racist and misogynistic posts, memes and comments about US Vice-President-Elect Kamala Harris. The social network removed the content after BBC News alerted it ...

In 1978, the Bulletin of the Atomic Scientists published a cover story titled “Is mankind warming the Earth?” The answer then, as now, was an “unqualified ‘yes.’” Between July 2023 and June 2024, the ...

Donald Trump’s admiration for Putin dates back to before his presidential run, but since Trump's election, his campaign’s ties to Russia have become the focus of controversy and multiple ...