Introduction: Why should we care about the unity of science?
Motions seen in the sky
Modeling the motion of celestial bodies
The telescope and the speed of light
The law of gravitation, the discovery of planets, and special and general theories of relativity
The cosmic distance ladder
The cosmic microwave background
Dark matter and dark energy
The origin, shape, and size of the Earth
The Earth's innards
The evolution of the Earth's surface
The structure of matter
The age of the Earth
Fossils
Sauropods: A comprehensive, yet superficial, look
The demise of the dinosaurs
Story of life: Darwin's, Wallace's, and Mendel's contributions
The molecular basis of heredity
DNA: The hereditary molecule and its structure
Properties and functions of DNA
The origin of life, the tree of life, and samples of evolution
Tardigrades, the applications of DNA, and the human spread across the globe
The search for extraterrestrial life.