Which planet is closest to Earth?
The BBC’s Sky at Night programme said our nearest neighbour is Mars but one viewer disagreed. Was he right? Let’s find the answer using Python and R
The rise and fall in support for British political parties
How the distribution of the popular vote has been shared between Britain’s main political parties since the 1950s
How Antonin Scalia compared with other Supreme Court justices
Charting the swing vote in the US Supreme Court, and finding a flaw in the New York Times while we’re at it