Researchers recreate ancient Egyptian blues

A team of Washington State University-led researchers has recreated the world’s oldest synthetic pigment, called Egyptian blue, which was used in ancient Egypt about 5,000 years ago. Reporting in the journal, NPJ Heritage Science, the researchers used a variety of raw materials and heating times to develop 12 recipes for the pigments, providing useful information…

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are government pledges on track?

Rob England and Tom Edgington BBC Verify Getty Images The prime minister has made tackling illegal immigration and “restoring order” to the asylum system a priority for the government. Sir Keir Starmer has promised to “smash the gangs”. It follows predecessor Rishi Sunak’s pledge to “stop the boats”. Yet small boat crossings have reached record…

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