Author Ernest Hemingway, whose image is that of a "macho big-game hunter and marlin fisherman" and who survived multiple wars, was also a keeper of cats, reports The New York Times. His house, which has become a museum, is home to 50 cats, many of which are polydactyl.

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York University researchers find genomic evidence of inbreeding in the yellow-banded bumblebee, according to Reuters.

In its survey of US adults, the Pew Research Center finds that views on the genetic engineering of animals depend on why it's done.

The Scientist reports agricultural researchers are working on a gene-stacking tool.

In Nature this week: statistical method for overcoming case-control imbalance issues, and more.