nails

Why Toenails Turn Yellow

Why Toenails Turn Yellow

Have you ever seen the toenails of your grandfather and thought he might be a troll? Those yellow, misshapen and brittle nails tend to make small children cringe, and in response, he wears knee high black socks with sandals.

How Astronauts Trim Their Nails In Zero-G

How Astronauts Trim Their Nails In Zero-G

In space, even the most mundane routines become elaborate tasks. Like cutting your nails: if you’re not careful, your fellow astronauts will have face full of clippings. Gross. Fortunately, Canadian astronaut Chris Hadfield has taken time out to explain how the folks on the ISS cope.