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Fact-check: Is China missing a billion people?
We investigate viral claims that the population of China is really only 500 million.
Is the UK state pension really the lowest in Europe?
Tim Harford investigates UK pensions, Russia鈥檚 GDP and heatwave deaths.
The Uzbekistan-shaped hole in an influential climate cost paper
How a global study on the cost of climate change fell apart when one country was removed
Does the UK really have nine out of the ten poorest regions in Northern Europe?
Tim Harford investigates regional inequality, migrant costs, donkey donations and honey.
Trump fact-check: Do the US and Venezuela have 60% of the world鈥檚 oil?
Is Donald Trump right to say the US and Venezuela have 60% of the world鈥檚 oil?
Has the UK鈥檚 productivity puzzle been solved?
Tim Harford investigates bad productivity data, AI carbon, nuns and quiet album ends.
Are carrots becoming less nutritious?
Have crops lost nutrients since the 1950s? We dig into the evidence.
Are bad teeth the number one reason kids go to A&E?
Tim Harford investigates kids鈥� teeth, Israeli drugs, NEETs and the chances AI kills us all
Could this be the strongest El Ni帽o in 1,000 Years?
Climate scientist Zeke Hausfather on a potentially record-breaking El Ni帽o.
Why are so many ex-prisoners being sent back to prison?
Tim Harford on prison recalls, UK millionaires, European wildfires and thieving seagulls.
