As America, and even his own administration, woke up to the threat of Covid-19, President Donald Trump still didn’t seem to get it. Within weeks of suggesting that people social distance in mid-March, the president went on national TV to argue that the US could reopen by Easter Sunday in April. “You’ll have packed churches…
Tropical Storm Laura’s flooding and other impacts on the ground: What we know
Tropical Storm Laura, which has been downgraded from a hurricane, made landfall early Thursday morning in Cameron, Louisiana — just 35 miles east of the Texas-Louisiana border — as a Category 4 storm with 150 mph winds. Already, pictures and videos of the storm from Lake Charles, Louisiana, a town about 50 miles north of…
“Extinction breeds extinctions”: How losing one species can wipe out many more
Earth is now in the middle of a mass extinction, the sixth one in the planet’s history, according to scientists. And now a new study reports that species are going extinct hundreds or thousands of times faster than the expected rate. The researchers also found that one extinction can cause ripple effects throughout an ecosystem,…
Trump’s EPA balks at a chance to save black lives
Decades of research paint a clear picture: The No. 1 environmental health risk in the US is soot. Also known as particulate pollution, it is made up of extremely small particles spewed into the air by power generation, industrial processes, and cars and trucks. There are “coarse particles,” between 2.5 and 10 micrometers in diameter,…
Why a second round of Covid-19 lockdowns might not be as effective
Several states are now seeing a surge in new Covid-19 coronavirus infections and hospitalizations. And the states with more alarming outbreaks — Arizona, North Carolina, South Carolina, Texas, Utah, Arkansas, Florida, and Tennessee — generally saw few cases early in the pandemic. Many of these states have started to relax the restrictions on movement, businesses,…
6 feet away isn’t enough. Covid-19 risk involves other dimensions, too.
When states had strict stay-at-home orders and lockdowns in place, many decisions about the risk of getting the coronavirus were simple. People didn’t have to think about whether dining in a restaurant is safe if the restaurant was closed. Now, that states are opening up — with varying degrees of precautions and adherence in place…
A living rain: How one planetary scientist imagines life on Venus
Click:Block Crazy Life Building MOD APK The search for life in our solar system got a lot more exciting this week. On Monday, a team of scientists announced its members had detected phosphine gas in the caustic, hot atmosphere of Venus. So what? The gas — which you’d recognize by its fishy odor — is…
CDC reverses guidelines, telling people to get tested for Covid-19 even without symptoms
Click:摩洛哥旅行 The Centers for Disease Control and Prevention (CDC) on Friday reversed changes to its Covid-19 testing guidelines, once again recommending that people without symptoms get tested for the coronavirus if they have come into close contact with someone known to be infected. The CDC’s new guidelines now state, “If you have been in close…
No, the Regeneron drug Trump received is not a Covid-19 “cure”
A day after the Food and Drug Administration announced tougher measures for a coronavirus vaccine approval, dashing President Trump’s hope of getting a vaccine out before the election, the president put out a video on Twitter suggesting he had changed course: a promise to bring the American people a Covid-19 “cure.” Following his admission to…
98,000 new Covid-19 cases. And the worst may be yet to come.
The United States has reached a new terrible milestone in the Covid-19 pandemic. This past week, the country saw, on average, about 79,000 new cases per day — the highest on record in a pandemic full of atrocious records. On Friday, more than 98,000 Americans received a positive test result. From north to south, east…