Learn more about the human tailbone and how, even though we may not have a strict need for it anymore, it still helps us with ...

People have speculated over the nature of seemingly useless physical characteristics in living things for thousands of years. It wasn't until the late 18th and early 19th centuries, though, that the ...

Vestigial structures take many forms: organs, behaviors, and even biochemical processes. Their defining characteristic is they are structures that a species has retained, but no longer serve their ...

The human body has some organs that are considered "useless" due to their reduced functionality over time. Analysis of some of these vestigial structures has provided insight into human evolution.

The human body is full of 'left overs' that don't seem to serve any useful purpose, and one of those vestigial parts is responsible for goosebumps.