'Gene Machines'

When Richard Dawkins' The Selfish Gene came out 30 years ago, researchers knew what a gene was and could just about map a gene, but there was much about genes — the number, much of their functions — that researchers didn't know, writes Tim Radford at The Guardian in a new review of the book.

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A pair of researchers examines political leanings and views on genomics, finding more of a role for optimism and pessimism in people's views.

The genome of the carnivorous bladderwort is smaller than many other plant genomes, but it still holds on to important genes.

In PLOS this week: new gene linked to ocular coloboma, new statistical model for interrogating gene expression networks, and more.

With a new collection, PLOS highlights negative results it has published.