Scientists have discovered that singing is an exceptionally effective way to spread viruses through the aerosolized particles it expels, which may travel much farther than the six foot safety zone many people follow. This means choruses and choirs may not get back to “normal” after the Covid-19 pandemic until much later than most activities, and only with rapid, effective testing or a vaccine. Experts explain.
Women may have been known through the centuries as the weaker sex, but researchers have learned that they are anything but weak. Their 2 X chromosomes are both active and cooperate with each other, especially in immune response. An expert discusses new findings on their genetic superiority.
A newly developed smartphone app is remarkably effective at predicting if a person is infected with Covid-19. Then biomarkers for ALS or Lou Gehrig’s disease can be found in a person’s teeth in the first decade of life. Then, a study shows that changing the way physical therapy is done can improve strength by an additional 30 percent. And finally, The labels on drinks for kids don’t help adults figure out which ones are real fruit juice and which are sugary, artificially flavored imitations.