CAROTENOIDS IN FLAMINGOS
Between the 1940s and 1960s, biologists solved the mystery of why flamingos turn pink instead of staying gray
NASA observes Argentina from the International Space Station and detects a gigantic pink heart nearly 10 kilometers wide, whose color does not have as romantic an origin as it seems
Why did Lonar lake turn pink? Experts say 'Haloarchaea' microbes could be the reason
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