List member Elliot sent in this super interesting specialization example:
I recently visited the tiny quirky mosquito museum in chiang mai thailand. It is located in the home of a couple in their late 70's who are the worlds leading experts on mosquitos.
After dozens of years of excruciating field work trapping and studying mosquitos for malaria prevention projects, this couple became the top experts in the world. One of them had a new species of mosquito named after him. The other wrote 6 books at the very end of her career defining the taxonomy of . . .
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