How DNA testing can rip families apart -- and bring them together

Two women from shattered homes have been using DNA tests to discover why they have always felt like outsiders. They find each other on a social network for people who want to compare their genomes — and they get a match. Are they related? Did their parents have an affair? New DNA services promise to help them find out. » 9/30/13 10:51am 9/30/13 10:51am

How scientists tried to confirm a "virgin birth" long before DNA testing

In the 1950s, geneticist Helen Spurway learned of a woman, Emmimarie Jones, who claimed that her daughter had been born without a father. Spurway had studied parthenogenesis in fish, and was curious as to whether a so-called "virgin birth" was possible in humans. But decades before DNA profiling, how could she confirm… » 8/19/12 1:00pm 8/19/12 1:00pm