Science

Here’s what WHO says your mask should have to prevent COVID-19 spread

Enlarge / French fashion student sews homemade protective face masks to stop the spread of COVID-19. Getty | GEOFFROY VAN DER HASSELT The World Health Organization on Friday updated its guidance on the use of masks amid the COVID-19 pandemic, making several changes and additions. Most notably, the agency is now recommending that governments encourage …

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Americans are drinking bleach and dunking food in it to prevent COVID-19

<figcaption class=”caption”><div class=”caption-text”>Bleach</div><div class=”caption-credit”><a rel=”nofollow” class=”caption-link” href=”https://www.flickr.com/people/[email protected]″>Adina Firestone</a></div></figcaption> </figure> Americans are doing more housecleaning and disinfecting amid the COVID-19 pandemic and many are turning to wild and dangerous tactics—like drinking and gargling bleach solutions. Back in April, the agency noted an unusual spike in poison control center calls over harmful exposures to household cleaning products, …

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Archaeologists find a way to look for ancient beer

Enlarge / Barley grain used in the production of beer at the Asahi Kanagawa Brewery in Japan. Tomohiro Ohsumi/Bloomberg/Getty Images Over the last few years, archaeologists have learned a lot from ancient people’s dirty dishes. Microscopic residues clinging to the inside of potsherds contain chemical traces of ancient food and drink, which have revealed remarkable …

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Tear gas is more dangerous than police let on—especially during the pandemic

Enlarge / A woman holds a placard reading ‘I can’t breathe’ amid tear gas in Toulouse, France. Alain Pitton/NurPhoto via Getty Images When Amira Chowdhury joined a protest in Philadelphia against police violence on Monday, she wore a mask to protect herself and others against the coronavirus. But when officers launched tear gas into the …

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Do face masks help? Studies leaning towards yes

Enlarge / If only some of the public wears protective gear, is it helpful? Diego Puletto / Getty Images What’s the best way to protect yourself when you’re at risk of exposure to SARS-CoV-2? It seems like a simple question, but many of the options—face masks, lockdowns, social distancing, etc.—have been politically controversial. In addition, …

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New Ebola outbreak flares up as measles, COVID-19 rage in DRC

Enlarge / Health workers operate within an Ebola safety zone in the Health Center in Iyonda, near Mbandaka, on June 1, 2018. Getty | JUNIOR D. KANNAH A new outbreak of Ebola has ignited in the Democratic Republic of the Congo, which is still trying to stamp out an Ebola outbreak from 2018—and is now …

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SpaceX launch footage was taken down thanks to bogus copyright claim

Enlarge / The Falcon 9 rocket climbs to space on Saturday. Trevor Mahlmann This weekend’s launch, in which SpaceX’s Falcon 9 rocket successfully propelled the Crew Dragon spacecraft and the two astronauts on board from Florida safely into space, was amazing, awe-inspiring, and frankly, just plain cool to watch. And here in the age of …

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Electrifying West Africa with a renewable grid

Enlarge / A new hydroelectric power station in the Ivory Coast. Xinhua News Agency There has been a lot of discussion about how areas that are seeing explosive renewable growth can manage the large amount of intermittent electricity sources. But these mostly focus on regions with mature electric grids and a relatively static growth in …

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CDC says its testing fail didn’t hurt US response. Experts disagree

Enlarge / Dr. Robert Redfield, director of the Centers for Disease Control and Prevention (CDC), attends an event about coronavirus vaccine development in the Rose Garden of the White House on May 15, 2020 in Washington, DC. Getty | Drew Angerer The botched rollout of COVID-19 testing did not cripple the country’s early response to the …

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