Scientists haven’t figured out long Covid. Here are 5 of their best hypotheses.

Most people who get the coronavirus will fully recover and go right back to their lives. But the latest research suggests that at least 10 percent have long-term symptoms, even after their body has apparently cleared the virus. The condition, known as “long Covid,” has emerged as a scary feature of the pandemic — a…

Hurricane Laura hits Gulf Coast as an “extremely dangerous” storm

The National Hurricane Center warned that Hurricane Laura will cause “life-threatening storm surge” reaching up to 40 miles inland and rising up to 20 feet as the storm made landfall in Texas and Louisiana. Laura reached the Gulf Coast after midnight on Thursday morning at an “extremely dangerous” Category 4 strength, with winds reaching 140…

What makes California’s current major wildfires so unusual

Wildfires continue burning in California, with unhealthy air from smoke still cloaking some parts of the state. Combined with the Covid-19 pandemic, the fires are compounding risks that have been brewing for years. Fire officials have grouped some of the smaller fires in an area into complexes to coordinate their response. The largest of these…

Trump asked for fewer Covid-19 tests. Now the CDC is recommending less testing.

A couple of months ago, President Donald Trump said he told federal officials to “slow the testing down, please.” Now the Trump administration is taking a step that would, in effect, slow down testing. On Monday, the Centers for Disease Control and Prevention (CDC) updated its testing guidelines to no longer recommend people get tested…

How Trump let Covid-19 win

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,…