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Transgender women in sport: Does ‘comparable’ mean ‘equal’?
Investigating a scientific paper analysing the strength and fitness of transgender women
US-Israel war with Iran: Do the gulf states have enough interceptor missiles?
What we know about missile stockpiles following the US-Israeli strikes on Iran
Has a company really discovered a million new species?
Investigating whether Basecamp Research found hundreds of thousands of bacteria species
Did AI researchers let AI hallucinations into scientific papers?
Investigating a claim that 100 made-up claims were found in AI papers
Is an ancient charioteer the best paid sportsperson of all time?
Did a Roman charioteer really earn the equivalent of $15 billion dollars?
Is this Premier League striker a secret maths genius?
Tim Harford explains the numbers and statistics in the news and in life.
Could Europe use its financial muscle to strong-arm the US?
Europe holds trillions of dollars of US shares and bonds - but can they use them?
Can you get £71,000 on benefits?
Tim Harford investigates benefits, church attacks, saunas and marathon running
Is Greenland as big as Africa?
Tim Harford asks if Greenland is really as vast as most maps seem to suggest
How close is Greenland to the United States?
Tim Harford investigates Greenland maps, climate costs, house prices and Traitors maths