Maria is a fictional, AI-assisted character. All images are AI-generated illustrations.

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.

Tomatoes

Five questions for one piece of produce.

Beans

Visible variation versus verified identity.

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.