PHASES OF THE MOON
eight phases · a full cycle of 29.53 days
$1.50
THE SOLAR SYSTEM
eight planets · size, distance, year and day
Free
NINE DRINKS
the same coffee, different proportions
$2.50
HOW MUCH COFFEE TO WATER
six methods · weight, grind, time
$2.50
ARABICA AND ROBUSTA
two species, six varieties, one difference
Free
POST-FERMENTED TEAS
six teas changed by microbes rather than oxygen
$1.50
MATCHA DRINKS
six proportions · grams, millilitres, degrees
$1.50
MATCHA GRADES
ceremonial, premium, culinary — what is behind the words
Free
PUERH AGEING
sheng and shu · what the years do and when to drink
$1.50
BLACK TEA
grades, six leaves and four blends · in China it is "red tea"
$1.50
TEA PLANT CULTIVARS
assamica against sinensis · leaves at one scale · six cultivars
$1.50
GREEN TEA
six leaves · water, time, number of steepings
$1.50