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 ...

New research shows the appendix isn't as unnecessary as previously though. In fact, an entire group of innate lymphoid cells (ILCs) are recruited to protect the appendix. Scientists from Melbourne's ...

The body is a glorious thing. Humans have evolved to have straight fingers rather than curved, pelvises designed to support upright walking and brains that have tripled in bulk. But evolution also has ...

Add Yahoo as a preferred source to see more of our stories on Google. You may have heard that astronauts have their appendix removed before leaving Earth. After all, people say you can live without ...

For years, the appendix carried a reputation as the body’s most pointless organ. Doctors often removed it without hesitation, and textbooks labeled it a vestigial structure—something our ancestors ...

The human appendix, a narrow pouch that projects off the cecum in the digestive system, has a notorious reputation for its tendency to become inflamed (appendicitis), often resulting in surgical ...

Why do many people have hair on their big toe? Why do you have a tailbone? And what about wisdom teeth? There are many parts of our body that have become useless to humans but were not always useless.

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. illustration of a human arm with the palmaris longus muscle highlighted in red Does the human body contain any truly useless parts ...

For more than a century, the human appendix has been written off as a biological relic, a shrunken leftover from plant-eating ancestors that serves no real purpose. That view is now outdated. A ...

The vermiform appendix or appendix as we commonly know it, is a vestigial organ of the body which does not come into notice unless it is inflamed (such as in appendicitis). In cases of appendicitis, ...

You may have heard that astronauts have their appendix removed before leaving Earth. After all, people say you can live without this organ because it serves no purpose, but how much truth is there in ...