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Science  22 Nov 2019:
Vol. 366, Issue 6468, pp. 930-931
DOI: 10.1126/science.366.6468.930

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Summary

In science news around the world, a Swiss firm announces that, in a first, it has used the CRISPR gene editor to help two people with blood diseases—sickle cell anemia in one and beta thalassemia in the other—caused by mutations to their hemoglobin gene. Brazil's government reports that development, most of it illegal, destroyed more than 9700 square kilometers of Amazon rainforest in the year ending in July, an increase of 30% from the previous year and the highest rate of deforestation since 2007–08. Coincidentally, XPRIZE announces a purse of $10 million in a new competition to develop technology to help survey and protect biodiversity in tropical rainforests. Pakistan plans widespread use of a new typhoid vaccine to help end an outbreak of an extensively drug resistant form of Salmonella enterica Typhi, a sometimes deadly bacterium spread by contaminated water and food. The U.S. President's Council of Advisors on Science and Technology holds its first meeting under President Donald Trump.

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