Why do flowers have colours? Do varying hues alter their properties?
Such questions prompted Nobel Prize-winning physicist C.V. Raman to focus his efforts on studying floral colours and their roles in attracting pollinators and shielding flowers from predators during his final years.
As the nation celebrated yet another National Science Day on Monday to commemorate the discovery of Raman effect, an eponymous laboratory in Kerala has been making strides in creating a comprehensive spectral library of flora in the country.