The great nutrient collapse
Politico ran a story about a researcher Irakli Loladze who discovered that the more CO2 plants are exposed to, the more sugars (carbs) they store and the fewer nutrients like protein, calcium, iron, and vitamin C they contain. Apparently nutrients across the board have "declined significantly across most garden crops since 1950."
Where does this leave us for the nutrition information in Cronometer? Are these numbers constantly updated with tests from recent crops? Or are they, for the most part, based on the same old numbers we've been using forever?