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60 Harvests and statistically savvy parrots
Can there really only be 60 harvests left in Earth's soil? Plus we meet the parrots who understand probability.
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: the highly intelligent and endangered Kea parrots of New Zealand / Credit: Imogen Warren/Getty images)
Last on
Mon 25 May 2020
15:50GMT
成人快手 World Service except Australasia, East and Southern Africa & West and Central Africa
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- Sat 23 May 2020 17:50GMT成人快手 World Service Australasia & South Asia only
- Sun 24 May 2020 05:50GMT成人快手 World Service
- Mon 25 May 2020 08:50GMT成人快手 World Service
- Mon 25 May 2020 12:50GMT成人快手 World Service East and Southern Africa & West and Central Africa only
- Mon 25 May 2020 15:50GMT成人快手 World Service except Australasia, East and Southern Africa & West and Central Africa
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