Thousands of bacteria found in navels. "It's quite beautiful," researcher says.
The whole thing started about two years ago. An undergrad's only-in-a-biology-lab idea—sampling colleague's navel bacteria for a holiday card—struck a chord with the North Carolina State University team, which had adopted a new focus on citizen science.
What better way to get the public interested in science than by showing them their skin's own thriving ecosystems? "And belly buttons are just ridiculous enough to appeal to almost everyone," Dunn added.