Archive for March 17th, 2020
An analysis of public genome sequence data from SARS-CoV-2 and related viruses found no evidence that the virus was made in a laboratory or otherwise engineered. Source: COVID-19 coronavirus epidemic has a natural origin
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A new study calculates that the median incubation period for COVID-19 is just over 5 days and that 97.5% of people who develop symptoms will do so within 11.5 days of infection. Source: Median incubation period for COVID-19
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Many people dream of comfortably living out their golden years. A new study however shows that older Europeans, and especially women, frequently underestimate how many years they have left, which could lead to costly decisions related to planning for their remaining life course. Source: Rethinking mortality and how we plan for old age
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Botulinum toxin (BoNT) is used for a range of applications, but when injected it can diffuse into the surrounding tissue and give rise to adverse effects. A new study shows that a subtle modification of an FDA-approved form of BoNT enhances binding to the nerve cells and improves the drug’s potency and safety. Source: Engineered […]
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New research finds that the virus that causes coronavirus disease 2019 (COVID-19) is stable for several hours to days in aerosols and on surfaces. Scientists found that severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) was detectable in aerosols for up to three hours, up to four hours on copper, up to 24 hours on cardboard […]
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Need to reduce high-pitched noises? Science may have an answer. Theoretical physicists report that materials made from tapered chains of spherical beads could help dampen sounds that lie at the upper range of human hearing or just beyond. Source: Physicists propose new filter for blocking high-pitched sounds
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Scientists discover the structure of an enzyme, found in the human gut, that breaks down a component of collagen. Source: Bacterial enzyme could become a new target for antibiotics
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Researchers were able to test blood samples at four different time points in an otherwise healthy woman in her 40s, who presented with COVID-19 and had mild-to-moderate symptoms requiring hospital admission. Source: COVID-19: The immune system can fight back
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