Researchers are trying to get ahead of variants like those identified in the U.K., South Africa and Brazil
‘Virtual unfolding’ technique used to read a letterlocked 17th century missive could also be used in healthcare and engineering
Ease of transmission, new strains, limits of vaccination programs all mean Covid-19 will be around for years—and a big business
CVS, Walgreens, Kroger and others will require appointments, hope to avoid logjams as they join national effort
Feature set for spring release will allow ad tracking only if consumers opt in on iPhone or iPad
Two federal charges of attempting to tamper with consumer products carry up to 10 years in prison each
Software giant’s results will reflect a big gaming quarter, though console shortage and margins complicate the story
Variants of the virus can be stopped if uncovered early—but that will require more genetic sequencing.
Mutations may delay a return to normal as faster-spreading strains could make people sicker or render vaccines less effective
The person had tested positive for Covid-19 late last month and it is unclear that the vaccine played a role in their death, officials said