| Source | Fark Headline | Comments | |
| Female dung beetles evolved elaborate horns so they'd win fights over precious, grade-A, top-quality poo (blogs.discovermagazine.com) | (20) | ||
| Some scientists work to cure cancer, some expand our knowledge of space and the universe. And then some use lasers to cut off the spines on fruit fly penises (labspaces.net) | (19) |