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Do 85% of the world’s population practice a religion?
Counting religions across the globe – is the world getting more religious or less?

Nate Silver: Do risk-takers run the world?
Poker player and polling analyst Nate Silver on his new book

Who pays when trade wars heat up?
We look at Donald Trump’s claim that tariffs are a tax on other countries

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

Are women 14 times more likely to die in natural disasters?
We unpick the idea that women outnumber men by 14 to 1 as casualties of natural disasters

Is increasing turbulence making flying more dangerous?
Exploring the link between bumpy flights and climate change.