President Donald Trump’s speech on Thursday — and the events surrounding the Republican National Convention in general — at times came off as a celebration: a series of rhetorical monuments to a president who, based on what he and his supporters said, had triumphantly carried America through one of its best periods. It’s an image Read more about The absurdity of Trump’s RNC speech, in one photo[…]

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, Read more about “Extinction breeds extinctions”: How losing one species can wipe out many more[…]

The World Health Organization (WHO) on Friday announced changes to its guidelines on who should wear a mask during the Covid-19 pandemic and where they should wear it. The new guidance recommends that the general public wear cloth masks made from at least three layers of fabric “on public transport, in shops, or in other Read more about The WHO has new guidelines on face masks to fight Covid-19[…]

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, Read more about Trump’s EPA balks at a chance to save black lives[…]

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 Read more about 6 feet away isn’t enough. Covid-19 risk involves other dimensions, too.[…]

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, Read more about Why a second round of Covid-19 lockdowns might not be as effective[…]

Texas broke records for Covid-19 hospitalizations six times last week, including a record 2,504 hospitalizations in a single day on June 10. South Carolina, North Carolina, Alaska, Florida, Mississippi, and Arkansas have also all broken records of new cases reported in a single day. Alabama saw a 92 percent increase in its seven-day average of Read more about Remember the N95 mask shortage? It’s still a problem.[…]

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 contact, Read more about CDC reverses guidelines, telling people to get tested for Covid-19 even without symptoms[…]

Back in March, Michigan’s Covid-19 cases exploded — leaping from zero to 3,657 in just two weeks. Detroit’s three big automakers closed factories temporarily, and the state’s largest health care system warned it was reaching capacity. In the midst of this crisis, Joseph Roche, an associate professor in the physical therapy program at Wayne State Read more about This theory might explain “Covid toes” and other mysteries of the disease[…]

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 Read more about 98,000 new Covid-19 cases. And the worst may be yet to come.[…]