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Is the world's oldest colour black or dark grey? No. Scientists have found out that bright pink is the oldest colour. Researchers looked at 1.1-billion-year-old rocks in the Sahara Desert. They crushed the rocks into powder and found a bright pink colour. Dr. Nur Gueneli from the Australia National University led the research. She experimented on the rocks in a lab in Australia. She said the colour was made by ancient organisms that lived in the oceans. She added that those oceans no longer exist. At that time, tiny organisms were the largest life forms on Earth.
Dr. Gueneli said she was amazed when she saw the pink in the rocks. She thought the rock powder might turn black in their experiments, but it turned pink. Another researcher said: "Dr. Gueneli came running into my office and said, 'look at this,' and she had this bright pink stuff…It turned out to be real colour, 1.1 billion years old." Gueneli explained how important her find was. She said: "Imagine you could find a fossilized dinosaur skin that still has its original colour - green or blue. That is exactly the type of discovery that we've made."
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