Why Food Nutrient Density May Be Declining
Veritasium · Explainer · 8 min · 2018 · YouTube title: Is Our Food Becoming Less Nutritious?
Why it's here
HN people recommend it as a short, contextualizing explainer on declining crop nutrient density.
What it covers
Veritasium examines whether food has become less nutritious, weighing soil depletion, selective breeding and rising atmospheric CO2. It evidences nutrient decline even in weeds over a century and ties it to faster plant growth.