Ask about fibre and you’ll likely get a blank stare or – if you’re lucky – a muttered reference to Bran Flakes. It turns out the most essential nutrient for long-term health is also the ...

carpets and twine Wool (animal) Absorbent with good insulating properties due to the fibre’s natural crimp (curl), has good elasticity so doesn’t crease much, relatively strong but can shrink ...