Seeing corona necessitates seeing ultraviolet radiation yet ultraviolet light is invisible to the human eye. To the human eye, a garden in bloom is a riot of colour. We enjoy the sight of flowers in a rainbow of colours but we miss the most important information perceived only by insects – patterns. Bees and other insects see flowers differently because their eyes are receptive to ultraviolet and can see patterns that guide them to sources of pollens and nectar, which are hidden to humans without special equipment.
Poll: Should the UK’s railways be renationalised?
I think that a network inclusive of the vehicles on it would make sense. However it remains to be seen if there is any plan for it to be for the...