Explore
By discipline, or by question
The same story seen through eleven disciplines. Pick the lens you know best, or start from a question.
Disciplines
Anthropology 12 lessons ready of 12 planned Archaeology 13 lessons ready of 13 planned Biology 29 lessons ready of 29 planned Chemistry 28 lessons ready of 28 planned Cosmology 17 lessons ready of 17 planned Earth science 19 lessons ready of 19 planned Environment 13 lessons ready of 13 planned Geography 9 lessons ready of 9 planned Geology 12 lessons ready of 12 planned History 22 lessons ready of 22 planned Physics 33 lessons ready of 33 planned
Start from a question
- 1.1 Was the Big Bang an explosion?draft
The Big Bang was not a blast at a point in empty space. It was the whole universe, everywhere at once, hot and dense and beginning to expand.
- 1.3 Why is the night sky dark?draft
A dark night sky is evidence that the universe has a finite age and is expanding.
- 3.4 Why carbon?draft
Bonding, chains and rings: why carbon chemistry is the chemistry of complexity.
- 3.7 Are you really made of stardust?draft
The famous claim, tested element by element.
- 5.1 What is life?draft
Why the most obvious question in biology has no agreed answer.
- 7.1 Why farm?draft
The worst decision anyone ever made, taken independently at least eleven times.