By JOHN SCHWARTZ

Charles Roselli set out to discover what makes some sheep gay. Then the news media and the blogosphere got hold of the story.

Dr. Roselli, a researcher at the Oregon Health and Science University, has searched for the past five years for physiological factors that might explain why about 8 percent of rams seek sex exclusively with other rams instead of ewes. The goal, he says, is to understand the fundamental mechanisms of sexual orientation in sheep. Other researchers might some day build on his findings to seek ways to determine which rams are likeliest to breed, he said.

But since last fall, when People for the Ethical Treatment of Animals started a campaign against the research, it has drawn a torrent of outrage from animal rights activists, gay advocates and ordinary citizens around the world — all of it based, Dr. Roselli and colleagues say, on a bizarre misinterpretation of what the work is about.

The story of the gay sheep became a textbook example of the distortion and vituperation that can result when science meets the global news cycle. (more…)