The following is an excerpt.
For 150 years or so, biologists have studied the human body for the vestiges of our evolution in the form of apparently redundant features dubbed “vestigial” organs.
This evolutionary “excess baggage” has often been thought to reflect common descent and sometimes even stages of evolution. While our views of vestigial features have changed in that time, they are still informative about both our past and the genetic makeup of our species.
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Read the full story here: We’re carrying evolution’s excess baggage – so why can’t we let go?
