Ari Daniel A new paper in the journal Royal Society Open Science describes evidence that the wood-feeding cockroach Salganea taiwanensis may engage in a behavior known as pair bonding. Haruka Osaki hide caption When you think of two individuals coupling up to raise and protect a family together, you might think of people or birds. But probably not cockroaches. And yet, in a paper published in Royal Society Open Science, a trio of researchers presents evidence that suggests that Salganea taiwanensis, a kind of wood-feeding cockroach, may engage in what's known as pair bonding. That "just means that two individual organisms will spend an extended period of time with each other and will exclude other individuals from the bond," says Nate Lo, an evolutionary biologist at the University of Sydney and an author of the new study.…