Spinach has lots of opportunities to pick up E. coli and other bugs during harvest and growing. Here, a Mexican migrant worker cuts organic spinach during the fall harvest at Grant Family Farms in Wellington, Co.
Credit John Moore / Getty Images
Salad producers haven't succeeded in banishing E. coli and other dangerous microbes from fresh greens, though they've tried hard. As we've reported before, it's a major challenge to both growers and the environment. But one scientist thinks he's making progress – with a spinach spa that zaps bad bugs with ultrasound.
Most strains of E. coli bacteria are harmless. But a new, more virulent strain has the medical community perplexed as to its origins. This has caused a lot of finger pointing which KUNC commentator Dr. Marc Ringel says is rather pointless.