From the Atlas bone to the zygomatic bone (that's a bone in your face!), here's 26 tough medical questions taking you through the alphabet of the human body. Can you get a perfect score?

If you would like to learn more about the IAEA’s work, sign up for our weekly updates containing our most important news, multimedia and more.

Now, researchers from the Perelman School of Medicine at the University of Pennsylvania and Children's Hospital of Philadelphia (CHOP) have published a "bone marrow atlas" in Cell that provides a ...