Ingredient index
Every journey so far, grouped by what it looks at. Each one stops where the evidence stops.
Maize
Seed diversity, named varieties, and what a colourful kernel cannot prove.
Cacao and chocolate
Reading a label narrowly: identity, origin, certification, lot codes.
Herbs
Sensory attention with no health claims.
Soil and roots
Turning broad environmental claims into answerable questions.
Method and practice
How this page decides what it can say, and how to bring it to a table.
Missing something? Suggest an everyday ingredient for a future evidence-rated journey — send a note.