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Fish once labeled a ‘living fossil’ surprises scientists again
The coelacanth – a wondrous fish that was thought to have gone extinct along with the dinosaurs 66 million years ago before unexpectedly being found alive and well in 1938 off South Africa’s east coast – is offering up even more surprises. Scientists said a new study of these large and nocturnal deep-sea denizens shows that they boast a lifespan about five times longer than previously believed – roughly a century – and that females carry their young for five years, the longest-known gestation period of any animal. Focusing on one of the two living species of coelacanth (pronounced SEE-lah-canth), the scientists also determined that it develops and grows at among the slowest pace of any fish and does not reach sexual maturity until about age 55. The researchers used annual growth rings depo...
Rapid spread of Delta variant throws England’s re-opening into doubt
British Prime Minister Boris Johnson’s hopes of ending England’s coronavirus lockdown on June 21 hung in the balance on Friday as data showed a further rise in cases of the rapidly spreading Delta variant. Johnson is due to announce on Monday whether the planned lifting of restrictions, which would see an end to limits on social contact, can go ahead on time. But the rapid spread of the Delta variant, officially a “variant of concern”, has thrown those plans into jeopardy, prompting speculation that the June 21 date will be pushed back, or that some restrictions will remain. “We have to be really careful. We had a very big opening on the 17th of May where people could meet friends indoors, in a restaurant, in a pub, and socialise indoors as well,” COVID-19 vaccines minister Nadhim Zahawi t...
