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BBC Radio 4 is a radio channel that started transmitting on the 30th September 1967. It replaced BBC Home Service.

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Factual: Arts, Culture & the Media

Tim Harford explains the numbers and statistics used in everyday life

Tim Harford explains - and sometimes debunks - the numbers and statistics used in political debate, the news and everyday life

BBC Radio 4 LW

More or Less: A girl's first time, Shark's stomachs, Prime numbers

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More or less equal work 270118 e elena newton

26/01/2018

A girl's first time, Shark's stomachs, Prime numbers

BBC Radio 4 - More or Less, A girl's first time, Shark's stomachs, Prime numbers

Challenging the claim that one in three girls' first sexual experience is rape.

Investigating the numbers in the news. Challenging the claim that one in three girls' first sexual experience is rape. And how long can a shark go without eating?

First sexual experience - checking the facts
A short film for the Draw A Line campaign has made the claim that one in three girls first sexual experience is rape. This seems shockingly high, but what is the evidence? Is it just for the UK or a global figure? We go back to the reports that were used to source the claim, and find the research has been misinterpreted.

How long can a shark go for without eating?
A recent episode of Blue Planet II stated that after a large meal a Sixgill shark might not have to eat for 'up to an entire year'. Tim Harford speaks to Dr David Ebert, a shark expert who has studied the stomach contents of Sixgills over the years. And to Professor Alex Roger, a zoologist who advised the Blue Planet team, to try and find out how accurate the claim is and why the deep sea is still a mystery. 

The wonder of Prime Numbers
Oxford mathematician Vicky Neale talks about her new book - Closing The Gap - and how mathematicians have striven to understand the patterns behind prime numbers. 

Multiple grannies
A Swiss mummy has recently been identified as a distant ancestor of Boris Johnson. But some people have been getting tangled up over just how many great-great-great-great-great-great-great grandmothers the Foreign Secretary might have. We tackle an email from one listener - none other than the broadcaster Stephen Fry.

Intelligent speech, the most insightful journalism, the wittiest comedy, the most fascinating features and the most compelling drama and readings anywhere in UK radio.

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A girl's first time, Shark's stomachs, Prime numbers

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