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In PNAS this week, researchers in New York, Massachusetts, and California collaborated to show how the polyamine pathway contributes to the pathogenesis of Parkinson's disease. The team started by using fMRI to identify regions of the brain stem resistant to the disease and then profiled gene expression levels from postmortem brain regions and identified a decrease in the catabolic polyamine enzyme spermidine/spermine N1-acetyltransferase 1, related to the disease.

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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.