As a new, apparently more transmissible version of the virus that causes COVID-19 has appeared in several countries, new research finds that the transmissibility of viral strains and the population density of a region will play big roles in how vaccination campaigns can help towns and cities return to more normal activities. The findings suggest that directing vaccines toward densely populated counties would help to interrupt transmission of the disease.
Decades of data paint a compelling case for why COVID-19 survivors, even those with few symptoms, could experience long-term effects on the brain and central nervous system.
Nature, Published online: 07 January 2021; doi:10.1038/d41586-021-00016-z
A mouse sharing a companion’s fear has different neural patterns to one sharing another animal’s pain.
Two studies show that Danes aren’t quite as good as Chinese at discerning bitter tastes. The research suggests that this is related to anatomical differences upon the tongues of Danish and Chinese people.