What organic labels do and don’t say

The production of organic food has gained increasing importance worldwide, driven largely by consumer concerns over the potential negative health effects of foods grown through intensive, conventional farming methods (Brantsæter, Ydersbond et al. 2017).

Evolution before our very eyes | Part 1

Bacteria are becoming increasingly resistant to antibiotics; some butterflies and fish are developing new colours for better camouflage; and a series of laboratory experiments have revealed small but significant changes in various microorganisms. Are these phenomena conclusive evidence of evolution unfolding before our eyes?