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For the first time the gene editing technique CRISPR has been used by injecting the CRISPR instructions into the bloodstream rather than directly into the affected organ. In a trial, six adult patients showed improvements after the treatment was used to prevent the expression of deformed proteins associated with a genetic disease. The hope is this method could treat a range of other genetic diseases, says Megan Molteni from Stat News.

In the near future domestic gas boilers may be replaced by heat pumps. However, a district heating system in London is already installing the pumps in a scheme which should see 50% reductions in their carbon emissions. We visited the Citigen site to see how the plan would work, and discussed the potential for domestic heat pump roll out with Simon Evans from Carbon Brief.

And why watermelons, wildflowers and pollinating insects can benefit from less attention. Evidence from Florida on how reducing methods associated with intensive farming chime with initiatives here in Britain to replace grass verges with banks of wildflowers. Researcher John Ternest picks up the story.