Kevin Johnson became enamored with NASCAR as a kid through clips on “ Wide World of Sports,” decades before billion-dollar broadcast deals when auto racing shared precious air time with barrel jumping and demolition derby. Raised in the South Bronx, Johnson considered himself “a closet NASCAR fan,” without a friend …

Bug spray, swollen welts, citronella. It’s mosquito season. And in a normal year, the health department serving Ohio’s Delaware County would be setting out more than 90 mosquito traps a week — black tubs of stagnant water with nets designed to ensnare the little buggers. But this year, because of …

Fresh studies give more information about what treatments do or don’t work for COVID-19, with high-quality methods that give reliable results. British researchers on Friday published their research on the only drug shown to improve survival — a cheap steroid called dexamethasone. Two other studies found that the malaria drug …