survives

Einstein’s ‘spooky action’ survives one of the most extreme tests yet: CERN finds strong evidence that heavy Z bosons can become quantum-entangled

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Einstein’s ‘spooky action’ survives one of the most extreme tests yet: CERN finds strong evidence that heavy Z bosons can become quantum-entangled

Einstein famously found quantum mechanics so strange that he once referred to quantum entanglement as “spooky action at a distance”. More than a century later, one of the strangest predictions of quantum theory has now been tested in an environment far removed from the relatively low-energy systems where entanglement is usually studied.Physicists working with the … Read more

In 1983, Britain reintroduced a butterfly declared extinct just four years earlier; the large blue has since surged 1,866% and now survives at 33 sites

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In 1983, Britain reintroduced a butterfly declared extinct just four years earlier; the large blue has since surged 1,866% and now survives at 33 sites

A butterfly once declared extinct in Britain is now at the centre of one of the country’s most striking conservation success stories. The large blue, which disappeared from Britain in 1979, has been successfully reintroduced and now occurs at 33 sites in south-west England. New figures from the UK Butterfly Monitoring Scheme show its recorded … Read more