This Virus Stole a Human Gene and Won't Let Go of It

"Scientists have discovered a virus that is a tiny bit human, carrying a gene it stole from our ancestors about 100,000 years ago," writes the New York Times. "And this virus may be using our own gene to infect us." Phys.org explains that it's "both an important gene for brain function and a jumping gene capable of moving and inserting itself into genomes." BC200 is found only in humans and related primates and was discovered in the late 1980s as an abundant noncoding...