60 Harvests and statistically savvy parrots - a podcast by BBC Radio 4

A listener asks if there can really only be 60 harvests left in Earth's soil. Are we heading for an agricultural Armageddon? Plus we meet the parrots who are the first animals, outside humans and great apes, to be shown to understand probability.

(image: Kea parrots in New Zealand)

Further episodes of More or Less: Behind the Stats

Further podcasts by BBC Radio 4

Website of BBC Radio 4