01:27:00
Nature’s marvellous medicine
For hundreds of years we have used plants and their extracts for their healing properties. Ancient Egyptians chewed white willow bark to relieve fevers and reduce inflammation, and many years later scientists discovered that the bark contains salicyl....
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01:04:00
The origins of flowers
Flowers are such a ubiquitous and familiar part of our modern world that it is easy to take them for granted. But as Darwin recognized, the exquisite details of their structure and appearance have been shaped by evolutionary processes over millions o....
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