This list covers 15 of the most fascinating and unbelievable facts about our bodies ... Now that’s incredible healing power! The human body is truly an amazing, weird, and awesome thing.

These interactive articles will be useful for teaching secondary students about the science behind our amazing ... share my body with so many bugs? An interactive guide about the human microbiome ...

grandparents. About 43%, to be precise. This much of your body is made up of human cells, while the rest is a mix of bacteria, viruses and fungi that combine to make your microbiome. This is ...

Test your smarts against this one-minute video, where Ask Smithsonian host Eric Schulze uncovers the facts behind five popular myths about the human body. 3play_processed Ask Smithsonian Explore ...

The aorta, the largest artery in the body, is almost the diameter of a garden hose. Capillaries, on the other hand, are so small that it takes ten of them to equal the thickness of a human hair.