主播大秀

Does a language die every two weeks?

Languages are disappearing. We investigate claims of how often this happens.

• 9 mins

Is planet Earth getting greener?

Jordan Peterson says Earth has greened by 20% in 20 years. Is he right?

• 10 mins

Are companies making more money from their customers?

We investigate claims mark-ups are larger than ever

• 8 mins

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

• 8 mins

Where have Cuba鈥檚 people gone?

We investigate the collapse in the Caribbean island鈥檚 population

• 9 mins

Exclusions, black holes and dividing by zero

Plus special educational needs in Wales and Ghanian nurses in the UK

• 28 mins

Who pays when trade wars heat up?

We look at Donald Trump鈥檚 claim that tariffs are a tax on other countries

• 8 mins

How long does it take to turn around an oil tanker?

Plus, Migrants vs Pensioners and Ed Miliband鈥檚 energy auction claim

• 27 mins

Nate Silver: Do risk-takers run the world?

Poker player and polling analyst Nate Silver on his new book

• 8 mins

How do you count millionaires?

Plus, asylum seeker costs, private school bets and Baumol's cost disease

• 28 mins