How kids can stay safer at school despite delta variant threat
The nation's schoolchildren are going back to class, some after more than a year of distance learning. Experts say there are ways to enhance kids'...
Scientists see path for the coronavirus to invade the brain
COVID-19 is best known as a respiratory disease, but for many victims, it also triggers an array of problems including memory lapses, fatigue and a...
One shot of vaccine may be enough for COVID-19 survivors, studies suggest
Researchers are increasingly finding that a SARS-CoV-2 infection may act a lot like the first shot of the vaccine by priming the immune system to...
Coronavirus infection leads to immunity that’s comparable to a COVID-19 vaccine
Among a group of hundreds of thousands of Americans who tested positive for coronavirus infection, the risk of a subsequent infection more than three months...
When it comes to longevity, night owls are in trouble, study warns
The findings offer the first study linking mortality risk to sleeping late, according to the authors
Miniature glasses on praying mantises help in study of robot vision
The unique qualities of praying mantises' 3-D vision may offer a path for better artificial vision.