Path to the brown coloration of diatoms discovered

Diatoms are microscopic unicellular algae occurring in natural waters worldwide. During photosynthesis, they take up large quantities of carbon dioxide, the primary greenhouse gas emitted through human activities, and convert ...

Genes responsible for red coloration in birds found

An international team of researchers has found the genes responsible for converting yellow carotenoids in birds to red ketocarotenoids. In their paper published in the journal Cell Biology, the group describes the steps they ...

Tomatoes of equal quality with less irrigation water

Researchers from the University of Seville have analyzed the impact of irrigation reduction on tomato crops. Their results show that deficit irrigation caused no significant changes in the commercial quality of the product ...

Dinosaur faces and feet may have popped with color

Most birds aren't as colorful as parrots or peacocks. But if you look beyond the feathers, bright colors on birds aren't hard to find: Think pink pigeon feet, red rooster combs and yellow pelican pouches.

Why some of Darwin's finch nestlings have yellow beaks

Carotenoids are the underlying pigment for much of the enormous variety of color found across birds and form the basis for the colors red, yellow and orange. In a study published in Current Biology, researchers from Uppsala ...

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