Sunday, 26 November 2023

Pink

 

Scientists have discovered what they say are the world's oldest surviving biological colours, from ancient rocks beneath the Sahara desert.

The 1.1 billion-year-old pigments have a bright pink hue, but range from blood red to deep purple in their concentrated form.

The pigments are fossilised molecules of chlorophyll produced by sea organisms, Australian scientists said.

Researchers ground shale rocks into powder to extract the pigment.

"Imagine you could find a fossilised dinosaur skin that still has its original colour, green or blue... that is exactly the type of discovery that we've made," Associate Prof Jochen Brocks from the Australian National University (ANU) told the BBC.

"These are actual molecules, the oldest coloured molecules in the world.

"When held against the sunlight, they are actually a neon pink."

 
 
 
 Colour Pink = Godess Laxmi
 


 
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