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When the roundworm Caenorhabditis briggsae became capable of self-fertilization, that ability may have triggered the loss of thousands of genes, the New York Times reports.

"Many of these genes had been around, and were presumably needed, for tens of millions of years or longer," senior author Eric Haag from the University of Maryland tells the Times.

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A New Zealand minister says the country's genetic modification laws need to be re-examined to help combat climate change, the New Zealand Herald reports.

A new analysis finds some cancers receive more nonprofit dollars than others.

An Australian mother's conviction in the deaths of her children may be re-examined after finding that two of the children carried a cardiac arrhythmia-linked gene variant.

In Science this week: comparative analysis of sex differences in mammal gene expression, and more.