He delved into the literature, coming across a 1974 paper by Carl Pomerance, a mathematician now at Dartmouth College, which proved that any OPN must have at least seven distinct prime factors.“Seeing that progress could be made on this problem gave me hope, in my naiveté, that maybe I could do something,” Nielsen said.
Regardless, Athey and her colleagues landed on a startling figure: A single pair of jeans may release 56,000 microfibers per wash.This landed them at an even more startling figure: Those two plants alone could be unloading a billion indigo denim microfibers per day into the lake.
According to Brenner, in her first summer enjoying moths she “photographed a moth that was emerald green, another that was pink, one that was half yellow and half black, and one that was as white as fresh snow.” In just a few months she captured images of a couple hundred moth species and “was completely hooked and happily identified myself as a new ‘moth-er.’”.
While the latter number is a small fraction of the total e-waste humanity produces each year, standard electronics recycling methods don’t cut it for solar panels.
From my vantage here in Central Texas, home to one of the largest groups of the newly Covid-immune, I've noticed that all these wonderful antibodies are actually making our existing, pandemic-related social cohesion problems considerably worse.
They can use contact tracing apps to gather real-time data about which activities or locations might be responsible for a dangerously high number of potential exposures.
So in 2013, a group of utilities, academics, and environmental organizations came together to form the Avian Solar Working Group to develop strategies to mitigate avian deaths at solar facilities around the US.“There was very little research about the impacts of solar on birds,” says Misti Sporer, the lead environmental scientist at Duke Energy, an electric utility in North Carolina, and member of the working group.
Satellite images have revealed 11 previously unknown emperor penguin colonies in Antarctica, boosting the number of known colonies of the imperilled birds by 20 percent.Philip Trathan, also at BAS, said: “The new breeding sites are all in locations where recent model projections suggest emperor penguins will decline.
“The hybrid model is probably among the worst that we could be putting forward if our goal is to stop the virus getting into schools,” says William Hanage, an epidemiologist at Harvard’s T.H. Chan School of Public Health.
According to a new nationwide survey, conducted by a consortium of researchers at Rutgers, Northeastern, Northwestern, and Harvard universities, most people are not getting results within the 24- to 48-hour window recommended by public health experts to aid effective contact tracing.
Absent hard proof, what’s left are more extrapolated dangers, like whether the Chinese government, which the US says was responsible for a notorious series of breaches at American institutions, would pilfer user data from TikTok, or censor content on the platform the way it tightly controls the internet within its own borders.
This means that the herd immunity threshold will also be higher than 60 percent in some places and lower in others.“I think the range of R0 consistent with data for Covid-19 is larger than most people give credit to,” said Marc Lipsitch of Harvard University, who has been advising health officials in Massachusetts and abroad.
When a reviewer sees cause for concern in a photo, they include the details in a regular report sent to building managers that summarizes recent social distancing violations in their facility.
By doing so, they can now take advantage of Signal’s end-to-end encryption, which means that no one—not the government, your phone company, or Signal itself—can read the contents of messages as they pass between devices.
Screenshot: David Nield via GoogleIf someone's clogging your inbox but Gmail's Report spam feature isn't catching it, Gmail lets you block individual senders easily.Instead of choosing Block or Report spam from the menu, pick Filter messages like this .
Screenshot: David Nield via AppleIf you're using Apple devices and apps, the option to use disposable email addresses is already baked in—as long as the app or website you're signing up for offers a Sign in with Apple button.
The point of social distancing was to “flatten the curve,” to slow the spread of the virus so that hospitals wouldn’t be overwhelmed and governments could take public health measures—like widespread testing and tracing the contacts of sick people—to keep people safe.
Yue thought that she had become desensitized, but this post made her fists clench: It was written by Xiao Hui, a journalist friend of hers who was reporting on the ground for Caixin, a prominent Chinese news outlet.
The first thing Solar States did was distribute masks and gloves to workers, company founder Micah Gold-Markel told Grist.Solar States’ 30 laid-off employees are among more than 106,000 clean energy workers who lost their jobs in March, according to a new analysis released last Wednesday.
Google and Apple said yeah, sure, we can help with that .Meanwhile, gig workers for companies like Uber and Lyft aren’t having an easy time getting their hands on federal pandemic relief funds .
Van Kerckhoven didn’t just claim that 5G was dangerous: He also said it might be linked to coronavirus.
One story of a suspected Covid-19 opportunist involves Aaron Ginn, a Silicon Valley technologist whose five minutes of fame arrived in March after he wrote a contrarian essay proposing that evidence didn’t support the “hysteria” over the consequences of the pandemic, that the problem might be sorta bad, but not really, really bad.
Record heat and drought across Australia delivered the worst conditions in the country since at least 2000, with river flows, tree cover, and wildlife being hit on an “unprecedented scale,” according to a new report titled Australia's Environment.
It might seem more productive to read our Coronavirus Gear and Supplies Guide and start filling your pantry with canned goods and essentials, but cleaning and sanitizing surfaces in your home can help lower the chances you or a loved one will contract Covid-19 and lower the chances you might spread it to someone else.