Many lifelong residents of Los Angeles have health impacts from growing up close to oil extraction. Now, the city is trying to close down the worst offenders, but it's an enormous task.

Germany's gas storage sites are far less full than in recent years. Officials say supplies are secure, but analysts warn that a cold winter or import disruptions could push prices higher. So how secure is the supply?

It's not all on women anymore — doctors do test men for sperm count and motility. But still too few men get checked, possibly due to a misconception that a healthy sex life means healthy sperm. Spoiler: It doesn't.