Health News

Covid vaccines block disease, but do they stop infection?

As reports this week from Scotland and Israel—where much or most of the population have gotten COVID jabs—confirm that vaccines largely prevent people from getting sick, another question is emerging: do they also block infection? A lot depends on the answer, experts say. If vaccines being rolled out worldwide ward off not only symptoms but […]

Health News

How and when do children recognize power and social hierarchies?

Humans, like most social animals, tend to be organized hierarchically. In any group or social relationship there are always individuals who, for various reasons, significantly influence the behavior of others. These individuals are attributed the highest status within the social group they belong to. As everyday examples of hierarchical relationships we find those of parents […]

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As new COVID variants emerge, do you need to ‘double mask’?

Could wearing two masks be better than one? The emergence of new and more infectious COVID-19 variants has led health experts to consider “double masking” as a potential way to better protect yourself and those around you. The U.S. Centers for Disease Control and Prevention is investigating whether donning a medical mask underneath a typical […]

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Do "self-cleaning" elevator buttons really work?

Do “self-cleaning” elevator buttons really work? Without rigorous independent studies, experts say it’s hard to verify claims of “self-cleaning” or “antiviral” surfaces that have popped up during the pandemic. But they also say you shouldn’t worry too much about how well such features really work. COVID-19 is an airborne disease. Research suggests it would be […]

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How much do our genes restrict free will?

Many of us believe we are masters of own destiny, but new research is revealing the extent to which our behavior is influenced by our genes. It’s now possible to decipher our individual genetic code, the sequence of 3.2 billion DNA “letters” unique to each of us, that forms a blueprint for our brains and […]

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Neck gaiters DO work, study finds

Neck gaiters DO work, study finds: Popular face coverings previously ruled ‘counterproductive’ blocked ‘100%’ of large infectious droplets in new tests A previous Duke University study found that fleece neck gaiters may actually spread more infectious particles by splitting them up and scattering them  New unpublished Virginia Tech research suggests gaiters work just as well […]