Science and politics and homosexuality. Should science writers boycott North Carolina? Current science says that same-sex marriage is good for public health and adds data to the old conjecture that rabid gay-bashing cloaks same-sex attraction. The gay caveman is exhumed. The Open Notebook presents quotes on quoting. Did dinosaur farts cause Mesozoic global warming? We don't know, but they certainly cause hot air in the media.

Science Friday alert: Laura Newman on Warren Buffett's faulty choices about his prostate cancer. XNAs and the future of synthetic genetics: Potential applications for good and otherwise. H5N1 flu virus: The dispute about whether to publish goes on and on and on. Honk honk: Announcing the Golden Goose Awards for scientific achievement. SWINY's Bioethics Boot Camp is now at YouTube.

More on the limits of DNA and science writing. Dealing with complex statistical studies. The limits of Twitter as a tool for science writers. The limits of explaining why genes are not destiny. Here come the alien dinosaurs with high IQs. Chemistry lesson on the origins of chirality. The origin of life as a feedback loop: did life come from space, or was it the other way around? Robot news: Robowarriors, Robocops, Robosquirrels, and RoboBeatles

It's the supreme medical issue of them all: What is to become of Obamacare? The US Supreme Court heard legal arguments about the Affordable Care Act this week, and one conclusion is that the pre-hearing rosy forecasts may have been legally sound, but now seem daft. Herewith, a selection of facts and opinions about the three days of SCOTUS arguments and the future of US health care.