Hannah Barnes

speaker
509 appearances 22 recordings 1 series first heard Mar 2011 last heard Oct 2013

Hannah Barnes’s voice in public audio — every appearance, attributed to the second.

Trend

recordings per month · last 12 months
No recordings in the last 12 months.Older appearances are listed below; set an alert to hear about the next one.

Appearances

newest first · ▶ plays the moment
More or Less was presented by Tim Harford, the Financial Times' undercover economist. voice-verified
It was produced by Ruth Alexander and made in association with The Open University. voice-verified
You can download many more Radio 4 programmes for free. voice-verified
Find these at bbc.co.uk slash radio4. voice-verified
Ash dieback.
100,000 trees fell to combat killer fungus.
For each species, it has a front page with some headline statistics.
For instance, maximum age, which for cod is given as 25.
But when you delve into where those statistics come from, it's all very well referenced in fish base.
And you can actually find that the estimate of 25 was not from a North Sea cod.
It was from a cod in the Barents Sea.
And the only estimate for a North Sea cod of maximum age is 11.
Well, let's start with the headline, 100 cod left in the North Sea from the Daily Telegraph. matched
Could it possibly be true? matched
That's Dr Tom Webb, a leading marine ecologist. matched
It turns out that The Telegraph took the story from another British paper, The Sunday Times, which claimed that there are 100 adult cod in the North Sea. matched
A different claim, but still wildly wrong. matched
Here's what happened. matched
The Sunday Times got the story by looking at data from ISIS, the International Council for the Exploration of the Sea. matched
And it then asked researchers from the British government's Centre for Environment, Fisheries and Aquaculture Science, or CFAS, for help with the numbers. matched
Showing 241–260 of 509 · page 13 of 26 ← Previous Next →