Technology Review has a nifty graphic feature that lets you see the stances of the three leading US presidential candidates -- Hillary Clinton, Barack Obama, and John McCain -- on issues including stem cell research, biofuels, global warming, and more. The info contains legislative history (how the candidate has voted on relevant bills) as well as soundbites from speeches or excerpts from the candidates' policy fact sheets.

 

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Technology Review reports that researchers in the US have used CRISPR to modify a number of human embryos.

By introducing genes from butterfly peas and Canterbury bells, researchers in Japan have developed a blue chrysanthemum, according to NPR.

Plant researchers plan to sequence some 10,000 samples that represent the major plant clades, ScienceInsider reports.

In Nature this week: a Danish reference genome, and more.