"DNA variants near a gene called MSRB3 - which is important for hearing in humans - could determine whether a dog's ears are pendulous like a basset hound's or stubby like a rottweiler's. Researchers analysed the genomes of thousands of canines and found that small, single-letter changes to DNA in a region of the genome near MSRB3 could boost the gene's activity. The boost can increase the rate at which ear cells proliferate, resulting in longer ears."
"Around two-thirds of people in the United Kingdom who were initially vaccine-hesitant during the COVID-19 pandemic did go on to get at least one dose. Using data from almost 38,000 people that reported some form of vaccine hesitancy - 65% of whom went on to receive one or more vaccinations - researchers found that reasons for hesitancy could be grouped into eight broad clusters, including concerns about the vaccine's efficacy and their personal health."
Rare immune errors can make usually harmless infections deadly in some people. DNA variants near MSRB3 can boost the gene's activity, increasing ear-cell proliferation and producing longer, pendulous ears in some dog breeds. Around two-thirds of initially vaccine-hesitant people in the United Kingdom later received at least one COVID-19 vaccine dose. Reasons for hesitancy cluster into eight groups, including concerns about vaccine efficacy and personal health, allowing targeted information to address concrete worries. The thickest, oldest sea ice in Canada's Queen Elizabeth Islands appears more fragile than expected and could be the last Arctic refuge for wildlife. Its thickness has made it impenetrable to icebreakers and difficult to study.
Read at Nature
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