A new virus outbreak has the world on high alert. Here’s what you should know.

Some patients keep a hospital wristband as a memento of their experience. Heather Edds kept her rib, which sits in a jar in her home.

Before ringing in the new decade, a quick look back at the blog’s most read stories of the year.

A look back at the year's most played episodes. 

New national poll finds that 1 in 6 parents would get a pet as a present for their child.