Covid’s Delta Variant: What We Know

The super-contagious Delta variant of the coronavirus is now responsible for about one in every five Covid-19 cases in the United States, and its prevalence has doubled in the last two weeks, health officials said on Tuesday. First identified in India, Delta is one of several “variants of concern,” as designated by the Centers for…

A Los Angeles Tech Flex

LOS ANGELES — On Saturday evening, over 250 people crowded into a midcentury modern mansion in the Hollywood Hills for a party at the end of LA Tech Week, a six-day event series held across the city. The party was hosted by House.ai, a collective for entrepreneurs, and Mirra, a telehealth start-up. “We incubate companies,…