Introduction. From the Big Bang to artificial intelligence -- Powers of ten: from Trafalgar Square to superclusters.

Part one. Universe. The geometry of the universe -- (The shape of space) --- The unfurling fundamental forces -- (The first millionth of a second -- Gravity/strong force/weakforce/electromagnetism) -- Components of matter -- (Hadrons and leptons) -- Matter and missing matter -- (Matter and dark matter) -- Big Bang to 380,000 year later -- (The cosmic background radiation) -- Electromagnetism radiation -- (The spectrum -- Black bodies -- Incandescence) -- Relativity -- (Black holes -- Gravity waves) -- Atomic theory -- (Rutherford -- Bohr -- Quantum models) -- Quantum energy states -- (Electrons -- Resonance -- Emission spectra) -- Star formation -- (Dying stars -- Shockwaves -- New stars) -- Stellar nucleosynthesis -- (The dawn of chemistry) -- The elements -- (Periodic table -- Elemental composition) -- Chemical reactivity -- (Electron orbitals -- Periodicity -- Ionization energy -- Spectral lines) -- Metals -- (Characteristics -- Exotic metals -- Prevalence) -- Carbon -- (Bonding structure -- Allotropes) -- States of matter -- (State change -- Exotic forms) -- Supernovae -- (Type 2 supernova -- High-mass nucleosynthesis) -- Radioactive elements -- (Nuclides -- Superheavy elements -- Radioactive decay -- Natural radiation) -- Nuclear fission -- (Chain reactions -- Nuclear power -- Bomb design) -- Star lifecycles -- (Types and scales -- Red giants --Quasars -- Neutron stars) -- Galaxies -- (Structures -- Clusters -- Superclusters) -- Black holes -- (Schwarzchild -- Kerr -- Lifesize holes) -- The Sun -- (Solar lifecycle -- Anatomy of a star -- Comparative scales) -- Abstract -- (Pi to 1,001 decimal places).

Part two. Earth. Planet formation -- (Interstellar dust -- Pre-solar nebula -- Atmospheric composition -- Frost line) -- The Solar System -- (Major planets and moons -- Composition -- Scale) -- The Solar System: non-planetary bodies -- (Logarithmic map -- The Oort Cloud -- Scale and classification) -- The Moon and other moons -- (Origin and composition -- Other moons) -- The Earth -- (Formation -- Structure -- Composition -- Early history) -- The lithosphere -- (Convection -- Magnetic filed -- Man-made holes) -- Plat tectonics -- (Tectonic plates -- Ocean-floor spreading) -- Earthquakes -- (Energy and scale -- Seismic waves) -- Our atmosphere -- (Change in composition -- Opacity -- Human exploration) -- Climate zones: atmospheric circulation -- (Surface winds -- Ocean currents) -- Meteorology -- (Dynamics -- Air masses -- Weather -- Cloud formation) -- Climate extremes -- (Global zones -- Hottest/coldest -- Wettest/driest -- Atmospheric pressure) -- Solar activity and climate -- (Sunspots -- Solar cycles -- Historical climate change) -- Climate change: snowball Earth -- (Glaciations -- Mass extinctions -- Greenhouse effects) -- Water and aqueous chemistry -- (Chemistry -- Physical properties -- Bonding -- Surface tension) -- Organic chemistry -- (The molecules -- Structures and polarity -- Hydrophilic -- Hydrophobic) --- Proteins -- (Amino acids -- Levels of structure -- Size and weight) -- DNA coding -- (Nucleobases -- Transcription -- Protein synthesis -- The code of life) -- Abstract -- (Earth's internal composition).

Part three. Life. Abiogenesis -- (Origins of life -- Theories of chemical evolution) -- First life: chemistry changes -- (Elemental composition) -- Protocell: the first cell -- (Liposomes -- Ion gradients) -- Cell membranes -- (Bilipids -- Cell proteins -- Ion pumps/motors) -- Kingdoms of life -- (Domains -- Phylogenetic tree -- Scale of life) -- Eukaryotic cells -- (The cell nucleus -- Endosymbiont theory) -- Mitochondria -- (Nanotechnology -- Power generation) -- Viruses -- The Great Oxygenation Event -- (First extinction event -- Banded iron formations -- Evolution of life) -- Photosynthesis and primary production -- (Chlorophyll -- Efficiency -- C3/C4 plants) -- Metabolic pathways -- (Citric acid cycle -- Catabolism/anabolism -- Efficiency of energy generation) -- Enzymes -- (Mechanism -- Transition states -- Substrates/products) -- The immune system: biological self-recognition -- (Cells -- Immunoglobulin) -- Chromosomes: structure and packing -- (Length of DNA -- The genome enigma) -- Cell reproduction -- (Mitosis -- Interphase -- Speed) -- Sexual reproduction and variation -- (Meiosis -- Recombination -- Mutation) -- Bacteria -- (Forms -- The human microbiota) -- Single-cell life -- (Colonies -- Multicellular life) -- Precambrian life -- (The Ediacara biota -- Glaciation -- Preservation) -- Bilaterians -- (Symmetry in nature -- Basic body plans -- Triploblasts) -- Mass extinction events and evolution -- (Emergence of modern phyla -- Winners and losers) -- The Cambrian explosion -- (Diversification -- Burgess Shales -- The lost genera) -- The chordates -- (Evolutionary emergence of vertebrates -- Body plan -- The brain) -- Fish -- (Evolution of the jaw -- The Devonian Age) -- Marine habitats -- (Ocean topography -- The aqueous biosphere) -- Gills versus lungs -- (Air and water -- Physical chemistry -- Breathing).

Invasion of the land -- (Devonian terrestialization -- Insects -- Fish to reptiles) -- Carboniferous Period -- (Insects -- Carbon burial -- Coal reserves) -- Arthropods -- (Radiation and dominance -- Megafauna) -- Amniotes -- (Conquering the land -- Eggs) -- Dinosaurs -- (Dinosaur intelligence -- Gait and speed) -- Trees and forests -- (The rise and fall of the Boreal Age) -- Pterosaurs: vertebrate flight -- Angiosperms and flying insects -- (Flowers -- Co-evolution -- Diversity and radiation) -- Vertebrate vision -- (Acuity -- Bifocal vision) -- The Chicxulub impactor -- (The last great extinction -- Deccan Traps volcanism) -- Bird migration -- (Flyways -- Record-breaking species) -- The rise of the mammals -- (Size and diversification -- Spread of grasslands) -- Gestation -- (Placentals -- Vivipary -- Length and body size -- Litter size) -- Evolutionary adaptation and return -- (Sea to land -- Land to air -- Land to sea) -- Evolution of grasses -- (Spread of grasslands -- Grazing mammals -- Hypsodonty) -- The biosphere and the carbon cycle -- (Energy flows) -- Abstract -- (Extinct mammalian RNA).

Part four. Human. Primates -- (Evolution -- brain size) -- Early humans -- (The Laetoli footprints) -- The human diaspora -- (Out of Africa -- Global migrations -- Ribosomal RNA) -- Human anatomy -- (Evolution of the human body) -- Digestion -- (System -- pH and function) -- The circulatory system -- (Vessels -- Pressure and flow) -- Hormones -- (Endocrine system -- Homeostasis) -- Language evolution -- (Linguistic family trees -- The rise and fall of languages) -- Brain evolution: size and complexity -- (Cerebral neurons -- Connectivity) -- Perception -- (Senses -- Exotic senses) -- Taste -- (Flavor wheel) -- Neurotransmission -- (Synapse -- Neurotransmitters -- Neurophysiology) -- Emotion -- (Models of personality and feeling) -- Learning and memory -- (Information processing -- Neuroanatomy) -- Computing -- (Growth in power and miniaturization) -- Artificial intelligence -- (Weak and strong AI -- Cognitive science -- The binding problem) -- Abstract -- (The human molecule).