Something we all possess but rarely give much thought to is belly buttons. That small indentation on your belly might not be impressive-looking, but it’s a devious area where sweat, dirt, and bacteria ...

Scientists have discovered a new abdominal structure called the umbilical sheath, which anchors the remnant of the umbilical ...

Sometimes people find a fuzzy little ball of fibers in their navel. Some refer to this as belly button lint, while others call it belly button fluff, navel lint, or navel fluff. In a 2012 study at ...

A professor of ecology and radiation studies at Leibniz University in Germany, Steinhauser would love to talk about the important environmental research his team is conducting. But back in 2009, he ...