A lot of accidents are not accidents, they are human errors," said Dr. Steven Polzin, a professor or engineering and transit research at Arizona State University.

Source: https://abc7news.com/sf-self-driving-cars-robotaxis-waymo-cruise/13491184/

"Since organics are not purchased that often, we can say that people are likely overstating how often they select these foods," Polzin noted.

Source: https://phys.org/news/2023-05-explores-role-dollar-food-landscape.html

"Though their estimate of 7.1% remains below the official government figure of 9.5% for February, both estimates of inflation are following similar trends," Polzin said.

Source: https://phys.org/news/2023-04-food-survey-consumers-product.html