The island, which first acted to prevent the spread of COVID-19 back in December, has won praise for keeping the virus under control despite its close links with China.

"There's no light switch here. It's more like a dimmer," Gavin Newsom said Tuesday. "That dimmer is this toggling back and forth between more restrictive and less restrictive measures."

Smithfield Foods didn't want to stop slaughtering hogs at its Sioux Falls pork plant, even after hundreds of workers got sick with the coronavirus. Then the city's mayor forced the company's hand.

Apple and Google are developing a tool that relies on Bluetooth signals, sent by smartphones, to let people know if they may have been exposed to the coronavirus.

Thousands of shops have reopened in Austria, and Denmark's elementary schools and day cares will be open Wednesday. Governments are aiming to bolster their economies without endangering their people.

A photo on social media showing Africa's second-highest mountain from Nairobi made many Kenyans cry foul. But the photo — shot on a day free of pollution, because of COVID-19 restrictions — is real.

And despite his combative tone on Monday, President Trump on Tuesday afternoon said he would be making decisions about how to reopen the economy in consultation with governors.

The global slowdown could create a historic drop in carbon emissions, but it's still not enough to avoid the worst impacts of climate change.

Around the country, losses of educators are mounting. It's unknown whether working in schools when they were open might have exposed staff to more danger than an average workplace.

The schedule change, which followed the advice of health experts, comes as talks stalled on Republicans' push to boost funding for a small business program.