Is Eating Your Boogers Good for You?
Does physically taking boogers out of your nose, putting them in your mouth and swallowing boost your immune system? The short answer is probably not. You ingest your snot all the time without needing to channel it through your mouth. So if there is a benefit here, you get it without needing to munch your…
Why Do Bacteria Thrive in Space?
For reasons that still aren’t well understood, bacteria proliferate in microgravity. Creating a potential recipe for disaster for humans stationed in space for long periods, bacteria’s love of low-g also raises an intriguing question: Why are they so comfortable there? Thriving Several years ago, astronauts began noticing that: Virulent bacteria such as E. coli and…
City Cycling: Health Versus Hazard
Are the fitness benefits of riding your bike worth the risk of an accident? Lesley Evans Ogden takes a tour of seven cities on two wheels to find out. It was just another morning commute. That is, until a bus driver ran a red light, turned right, and drove straight into Ann-Doerthe Hass Jensen. The…