Researchers in China have used mass spectrometry to study how molecular mechanisms of certain hormones affect sperm production, potentially opening the door to new forms of male contraceptives.
 
To date the only forms of male contraception are condoms and vasectomies, which are often irreversible. Pharmaceutical firms have been working on developing alternatives, most of them hormone-based, and though some have shown some promise, to date none have made it to market.
 

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While gene therapies may have high price tags, they could be cheaper than the cost of managing disease, according to MIT's Technology Review.

Researchers are looking for markers that indicate which cancer patients may respond to immunotherapies, the Associated Press writes.

In Nature this week: paternal age associated with de novo mutations in children, and more.

Nature News writes that researchers are still wrangling over the role of the p-value.

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