One of the male sexual organ’s main roles is to make procreation happen, but the penis also has cultural significance. Here ...

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 ...

Why we have body parts we don't need is simple ... According to the Interesting Facts website, while it stores beneficial gut bacteria to be released when we're sick and lacking it, it's ...

Do you have blue eyes? We talked to experts to discover curious facts about baby blues, including whether your biological ...

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

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 ...

Some human body parts serve no purpose despite once having a specific function among our ancestors. The appendix, for example, is not an essential body part (though some research suggests it may ...

Scientists are exploring that futuristic vision by using special 3-D printers to make living body parts. Called bioprinters, these machines use human cells as “ink.” A standard 3-D printer ...