In the world of polyamory, relationships are concentric, overlapping, fluid and unbound by numbers. The ancient practice is getting a modern boost from the Internet.

VeinViewer is a vein-contrast enhancement device that uses an infra-red camera to highlight blood (the underlying vasculature) and projects the image in real time onto the skin.

According to a recent study, managers deserve some recognition, too. More than half — 52 percent — of employees polled said they are satisfied with the performance of their bosses, while 28 percent are unhappy with their supervisors, according to a press release.

This mapping program allows the user to click on any epidemic for more details and a close-up satellite picture.

In recognition of National Condom Week, a Washington retailer of sex products will sail a monster condom balloon the height of a two-story building, tethered on a 120-foot line over its Tukwila store.