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How do you count millionaires?
Plus, asylum seeker costs, private school bets and Baumol's cost disease
Nate Silver: Do risk-takers run the world?
Poker player and polling analyst Nate Silver on his new book
How long does it take to turn around an oil tanker?
Plus, Migrants vs Pensioners and Ed Miliband’s energy auction claim
Who pays when trade wars heat up?
We look at Donald Trump’s claim that tariffs are a tax on other countries
Exclusions, black holes and dividing by zero
Plus special educational needs in Wales and Ghanian nurses in the UK
Where have Cuba’s people gone?
We investigate the collapse in the Caribbean island’s population
Do we eat a credit card's worth of microplastic each week?
We look at whether humans really ingest five grams of microplastic on a weekly basis
Are companies making more money from their customers?
We investigate claims mark-ups are larger than ever
Is planet Earth getting greener?
Jordan Peterson says Earth has greened by 20% in 20 years. Is he right?
Does a language die every two weeks?
Languages are disappearing. We investigate claims of how often this happens.
