Both Ways

It's always been thought that while stem cells can give rise to all the different cells in the human body, once they become specialized, they stay specialized. Now, a new study done by researchers at the Whitehead Institute say they can actually go both ways, and that some specialized cells can spontaneously revert back to a stem-cell state, says Not Exactly Rocket Science's Ed Yong.

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Researchers hope to tease out the signature effects that different carcinogens leave on the genome to determine their contributions to disease, Mosaic reports.

The Wall Street Journal looks into the cost of new gene therapies.

An Imperial College London-led team reports that it was able to use a gene drive to control a population of lab mosquitos.

In PNAS this week: genomic effects of silver fox domestication, limited effect of mitochondrial mutations on aging in fruit flies, and more.