Ancient horses; Uncertainty; How cutlery affects taste
How 700,000-year-old horse DNA could change the way scientists study evolution, why scientists are seldom certain of their findings, and how cutlery changes the taste of food.
New DNA sequencing techniques have helped reveal the genetic make-up of a horse dating back more than 700,000 years. Gareth Mitchell speaks to paleoecologist Prof Keith Dobney on the challenges and wider importance of this scientific breakthrough and they ponder which ancient genomes will most likely be laid bare in the future.
Uncertainty is an integral part of scientific research, and drives our quest for discovery. Expressions like "limits of confidence" are often treated by the public as a weakness and an indication that scientists don't really know anything "for sure". Sometimes commentators interpret uncertainty as a license for claiming anything could be true. How does scientific truth sit with uncertainty? Professor Ian Stewart, a mathematician from Warwick University, and Professor Angela McLean, from the Department of Zoology at the University of Oxford, discuss why uncertainty is part of science and how acknowledging uncertainty is a strength rather than a weakness.
Effort spent carefully flavouring and seasoning your food could all be wasted if you don't pay attention to the cutlery you to eat it with. Prof Charles Spence joins the show from Oxford to explain why and possibly provide advice on which cutlery to use.
The producer is Ania Lichtarowicz.
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Ancient horses
New DNA sequencing techniques have helped reveal the genetic make-up of an ancient horse.
Duration: 10:35
Uncertainty
Uncertainty is an integral part of scientific research and drives our quest for discovery.
Duration: 11:46
Cutlery changes tastes
Professor Charles Spence explains why and provides advice on which cutlery to use鈥�
Duration: 04:32
Ancient horses
![Ancient horses]()
New DNA sequencing techniques have helped reveal the genetic make-up of a horse dating back more than 700,000 years. Gareth Mitchell speaks to paleoecologist Prof Keith Dobney on the challenges and wider importance of this scientific breakthrough and they ponder which ancient genomes will most likely be laid bare in the future.听
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Image Credit:听 Dr Ludovic Orlando
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Uncertainty
![Uncertainty]()
Uncertainty is an integral part of scientific research, and drives our quest for discovery. Expressions like 鈥渓imits of confidence鈥� are often treated by the public as a weakness, a worry, and an indication that scientists don鈥檛 really know anything 鈥渇or sure鈥�. Sometimes commentators interpret uncertainty as a license for claiming anything could be true. How does scientific truth sit with uncertainty? Professor Ian Stewart, a mathematician from Warwick University, and Professor Angela McLean, from the Department of Zoology at the University of Oxford, discuss why uncertainty is part of science and how acknowledging uncertainty is a strength rather than a weakness.
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Image Credit:听 Dr Jon Heras Equinox Graphics
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Cutlery changes tastes
![Cutlery changes tastes]()
Effort spent carefully flavouring and seasoning your food could all be wasted if you don鈥檛 pay attention to the cutlery you to eat it with. Prof Charles Spence joins the show from Oxford to explain why and possibly provide advice on which cutlery to use鈥�
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Image credit: John D McHugh/AFP/Getty Images
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Broadcasts
- Thu 27 Jun 2013 16:30成人论坛 Radio 4
- Thu 27 Jun 2013 21:00成人论坛 Radio 4
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