ST. LOUIS (AP) — As pressure grows to get artificial colors out of the U.S. food supply, the shift may well start at Abby Tampow’s laboratory desk. On an April afternoon, the scientist hovered over tiny…

Motorists might notice a darker residue from when road crews treat highways for ice this year. That’s because beet juice is in the mix. The Kansas Department of Transportation sometimes mixes beet juice — which…