156: Smell This
What is that weird smell? It’s called trimethylamine (TMA) and for most of us it stinks like rotten fish. For a small percentage of people it smells very different. The reason is in your genes.
Rosa Gisladottir and Kari Stefansson at deCODE Genetics in Reykjavik and their colleagues scoured the DNA of more than 11,000 people in Iceland for genetic variants that influence odor perception. Here’s the link for the paper