The Limits of Those Reviews of Masks For All and What We Do Know | Absolutely Maybe – PLoS Blogs

Have you noticed that you see so many pictures of people wearing face masks during the 1918-20 influenza pandemic, but you dont for people with tuberculosis (TB)in the same era? There is a story here about a controversy that I think makes the one over evidence in the Covid-19 #masks4all debate easier to understand. It starts with a sanitary engineer, his protoge medical student, and a landmark study in Baltimore published in 1959.

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Im still here: Celebrating the 100th birthday of Lou Siminovitch, a giant of Canadian science – The Globe and Mail

John Dirks is the emeritus president and scientific director of the Gairdner Foundation. At a time when medical science is playing the key role in treating the global COVID-19 pandemic, it is only appropriate that we celebrate the 100th birthday of molecular biologist, scientific leader and genetics pioneer Dr. Louis Siminovitch today.

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CRISPR combines with stem cell therapy to reverse diabetes in mice – New Atlas

For a few years now, scientists at Washington University have been working on techniques to turn stem cells into pancreatic beta cells as a way of addressing insulin shortages in diabetics. After some promising recent strides, the team is now reporting another exciting breakthrough, combining this technique with the CRISPR gene-editing tool to reverse the disease in mice. The pancreas contains what are known as beta cells, which secrete insulin as a way of tempering spikes in blood-sugar levels.

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