How humans have created color for thousands of years - Popular Science

How humans have created color for thousands of years  Popular Science

This chart shows some of the sources of our favorite colors throughout history—and how long we relied on them.



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Covid-19 news archive: UK using dexamethasone to treat patients - New Scientist

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Covid-19 news archive: UK using dexamethasone to treat patients - New Scientist Covid-19 news archive: UK using dexamethasone to treat patients - New Scientist Posted: 18 Jun 2020 10:20 AM PDT The UK's chief medical officers say dexamethasone should be used covid-19 patients immediately. Yasser Chalid/Getty Images 17 June UK begins using dexamethasone to treat covid-19 patients Covid-19 patients in the UK are being treated with dexamethasone today after a UK trial of the drug found it could save lives. "The treatment is immediately available and already in use on the NHS," said health minister Matt Hancock. "It is not by any means a cure but it is the best news we have had," Hancock told parliament today. The UK's chief medical officers say it should be used immediately, according to the BBC . A preliminary study found that the steroid, which is already widely prescribed for treating allergies and asthm...
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