First

here.ImageKatie Stallings, a second grade teacher, set up her classroom before her students return to school at MacFarlane Park IB Elementary, last week in Tampa, Fla.Credit...Octavio Jones for The New York TimesA judge struck down a state order requiring most Florida schools to open for in-person instruction.A Florida judge ruled on Monday that the state’s…

none of those cases have been confirmed with rigorous testing. Recovered people are known to carry viral fragments for weeks, which can lead to positive test results in the absence of live virus.But the Hong Kong researchers sequenced the virus from both of the man’s infections and found significant differences, suggesting that the patient had…

In the Middle Ages, the plague caused tens of millions of deaths in Europe in a series of outbreaks known as the Black Death. And while it's extremely rare in modern times, the deadly bacterial infection is still around today — but how likely are you to catch it? This week, California reported its first…

The first dog in Louisiana has tested positive for the virus that causes COVID-19, according to a press release from the Department of Agriculture and Forestry.Officials did not release the dog's name or where the dog lives.The pet tested positive for SARS-CoV-2, which is the virus that causes COVID-19 in humans. A Louisiana dog tested…

Humans 4 August 2020 By Michael Marshall A San hunter-gatherer hunting kit, thought to be 150 years oldMarlize Lombard (with permission Hunter-gatherers in Africa may have been using poison-tipped arrows for over 70,000 years, according to a new analysis of ancient arrowheads. This would be the oldest known use of poison arrows in the world,…