Walnuts may slow cognitive decline in at-risk elderly      Five trends that are transforming your farm: Drones      Honeybees are disappearing overnight: Theft and vandalism of bee boxes and honey are rife throughout SA      Rain in sub-Saharan Africa can mean more butterflies in Europe      Staan saam en tree op, versoek ad hoc groep oor vuurwapenwetgewing      Agriculture In The European Union      Your Immune System and the Key to Longevity      The future of smart farming in South Africa      Biodiversity Loss and What Causes It      The unbelievably simple way to cut greenhouse gas emissions from the food sector in half