In Beijing, China banned 2.5 million cars from driving for 2 weeks to get this beautiful blue sky for a World War II commemorative parade. As soon as the parade was over, the ban was lifted, and the blue vanished within 24 hours.
Photo via CNN, where there's a longer writeup by the guys in their Beijing bureau.
It worked. On the morning of the parade, the air quality index (AQI) -- an international standard for measuring the severity of air pollution -- dipped to a pristine 17 out of 500, signifying very healthy air.
Excited Beijingers coined the unusually blue skies "parade blue."
But now the cars are back and the city is back to "Beijing gray."
Friday's AQI shot up past 160 in parts of the city, rated "unhealthy".
[HT: Gabe Klein]
Scientists say that traces of SARS-CoV-2 genetic material — viral RNA — in the poo we flush down the toilet and into the sewage system might reveal how badly coronavirus has hit a given community. Analyzing sewage could show the true scale of an outbreak, in the absence of available testing, they say.
Even tho they are only updated once a day (at most) I check, check and re-check 91-divoc and the IHME COVID-19 Projections. The linear scale graphs on 91-divoc have given me the best picture of ‘is the curve flattening’ for the regions I watch. Tribalism runs rampant during Trump’s Pandemic and I am naturally more […]
More than 125 of these curious soccer ball-sized glass spheres hang near the floor of the Mediterranean Sea. Even though they’re deep underwater, they’re keeping a constant vigil for neutrinos, particles that may be evidence of dark matter, supernovae, and neutron stars far off in intergalactic space. Eventually, the Cubic Kilometer Neutrino Telescope (KM3NeT) will […]
With everything happening now, even the most jaded among us are bound to feel some pangs of anxiety now and again. It’s a crazy time. When we crawl into bed each night, it’s common for our brains to go into overdrive and start thinking — and worrying — about what’s going on and what’s to […]
Whether it’s your boss, your old high school friends or your over-critical family you’re looking to impress, having your background looking as put together as possible during hours of Zoom calls is a must. You might not realize it in the moment, but that unmade bed in the back of your video chat shot says […]
If you’ve never heard of WooCommerce, it’s essential the way small businesses operate in WordPress, the world’s most popular web content management system. With WooCommerce, web entrepreneurs can set up and run an e-commerce store, selling products, accepting payments and safeguarding privacy for both buyers and sellers. As the engine behind 35 percent of all […]