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Ancient dung and the key to life on Earth
Droppings of fossilised faeces in Scotland point to the first signs of life on Earth
How tiny droppings of fossilised faeces in Scotland point to the first signs of life on Earth. The findings suggest that complex animals evolved much earlier than had been thought, at least 600 million years ago. Also in the programme melatonin and whether it could be a magic ingredient in reducing jet lag symptoms and how viruses can be used to infect insect pests.
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