BUFFALO, N.Y. -- The courts may have weighed in (no pun intended) on New York City Mayor Bloomberg’s ban on supersized soft drinks, but science has not. That’s why Âé¶¹´«Ã½o Distinguished Professor of Pediatrics Leonard H. Epstein, PhD, has established a large-scale, Internet-based experimental grocery store to develop evidence-based science about how people decide what to buy.