- Wine purchase, drinking and advance reading are optional. The full lesson and quiz can be followed alcohol-free.
Optional Nerd Mode
The Invisible Gas in Sparkling Wine
5:35N16AAfter Level 5 — Champagne
Before you press play
Choose your preparation track
You do not need to buy every comparison wine. Choose the track that matches your time, budget, and interest.
- No tasting or equipment is required for this science companion.
- Use the visible labels, maps and documented production choices to follow each comparison. You do not need to invent a tasting note.
Taste responsibly: small pours, water, food, and spit cups are sensible equipment. Never build transport plans after the bottles are open.