Blogger GrrlScientist takes some time to remind us all of what love really is — scientifically speaking, anyway. "If you are a scientist, you would probably know that love is the result of a biochemical cocktail of hormones and neurotransmitters that is zapped by electrical signals leaping between neurons," she says, introducing a video showing a scientific explanation of the emotion.

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Researchers hope to tease out the signature effects that different carcinogens leave on the genome to determine their contributions to disease, Mosaic reports.

The Wall Street Journal looks into the cost of new gene therapies.

An Imperial College London-led team reports that it was able to use a gene drive to control a population of lab mosquitos.

In PNAS this week: genomic effects of silver fox domestication, limited effect of mitochondrial mutations on aging in fruit flies, and more.