Do you have blue eyes? We talked to experts to discover curious facts about baby blues, including whether your biological family is bigger than you ever imagined.

The skin, the body's largest organ constantly regenerates, contains sensory receptors, and produces melanin for pigmentation.

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 ...

Read these 11 fun facts and you’ll know why: 1. The body has billions of nerve cells ... numbers of the axons and dendrites can vary. The human nervous system is defined as two parts.

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 ...

a human genetic code would fill the pages of 200 1,000-page New York City telephone directories. Though we can't compile all the facts here, this list of mind-boggling facts and figures will get ...

What does our body do? The human body has different parts that help us do things like walk, talk, eat, and see. Just like a car has different parts, such as wheels and windows, our bodies also ...