PHASES OF THE MOON
eight phases · a full cycle of 29.53 days
THE SOLAR SYSTEM
eight planets · size, distance, year and day
THE HAMBURGER
the ratios of the mince and the five steps that decide the result
SUGAR IN FRUIT
grams of natural sugar per 100 g of fresh fruit — and how much water sits beside it
NEAPOLITAN PIZZA DOUGH
four ingredients in the proportions written into an EU regulation
POUND CAKE
four equal weights — a recipe whose name is its ratio
PROTEIN IN FOODS
grams per 100 g · animal and plant · and the state each one was weighed in
THE VERTICAL PLANET
from the Challenger Deep to the summit of Everest · one scale, nothing compressed
MAMMALS IN TIME
from the first synapsid to us · 320 million years on one axis
VERTEBRATES IN TIME
when each group appeared · five hundred million years on one axis
BASIC PHYSICS FORMULAS
fifteen formulas · every letter explained beneath it
ANIMALS
the main branches — from comb jellies to chordates · who is actually related to whom