An old joke about our fair City by the Bay goes as follows:
There’s something in the air in San Francisco that keeps women from getting pregnant… men’s legs.
Geologists have taken the matter a step further, and sought to answer the timeless question: why is this so?
Their findings are shown on the above data display: There is no simple answer. The Bottom of the Bay is a highly complex creature — a product of many forces.
-AidanAbroad (San Francisco correspondent)