Iridescence invisible to human eye enables bees to view flowers in different colours (PhysOrg)
(PhysOrg.com) -- Bees see some flowers in multicolour because of previously unknown iridescence of the petals, usually invisible to the human eye, researchers from the University of Cambridge report this week in Science.
Council bans artificial flowers from graves (Daily Telegraph)
A council has caused a storm of protest after banning artificial flowers at a crematorium on grounds of health and safety.