More from David Knight
Explore the latest news, articles and features
Brilliant scientists dare to dream
Opinion
Growing threats to peat: The use of peat for growing plants is a mainstay of British horticulture. But unless alternatives are found quickly, the country’s dwindling peat bogs could disappear altogether
Features
Review: Gardeners aid conservation
Books & Arts
Nice work for a worm: Never underestimate the earthworm – Farmers want more and sewage works could use them / Worms could even wriggle their way onto the Stock Exchange soon
Features