Biochemist and Noble laureate Arthur Kornberg died on Friday; he was 89. Kornberg won the Nobel Prize in medicine for discovering DNA polymerase, as well as was the first to produce the active inner core of a virus in the lab. His passion for enzymology and faith that all metabolic reactions could be reproduced in a test tube helped birth the field of genetic engineering.

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NPR reports on Human Cell Atlas Consortium's effort to catalog all the different cell types within the human body.

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National Geographic reports that marine mammals have lost a gene that could make them more susceptible to organophosphate damage.

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