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Cooperative sperm outrun loners in the mating race. In simulated reproductive tracts of animals like cattle and humans, the behavior increases the chances that groups of cooperative bovine sperm will outpace meandering loners as they race to fertilize a female egg cell, physicists report.
sciencenews.orgSubmitted by MistWeaver80 t3_y1nmnc in science
Regular physical activity may boost effectiveness of COVID-19 jab. Risk of hospital admission among fully vaccinated healthcare workers was reduced by 60% in the group who engaged in low levels of physical activity, and by 72% and 86% in the medium and high physical activity groups, respectively
bjsm.bmj.comSubmitted by sebikern_photography t3_11qy7iy in EarthPorn
TIL that the labels on Angostura bitters bottles are intentionally annoying. The original brothers entered a competition and due to a miscommunication, wound up with wrong size labels. A friendly judge suggested the brothers make that label their signature. The advice stuck.
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Where does space really begin? Chinese spy balloon highlights legal fuzziness of ‘near space’
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