A new study shows that birds at the equator are more colorful than those further away. The research was based on a definition of how many colours exist on any particular bird. Researchers would like to move on to butterflies, for instance, next as they are also very colorful and easier to photograph.
Luiz Inácio Lula da Silva left office with a sky-high approval rating, having raised millions from poverty—but was then convicted of corruption. Now he wants his old job back. Forced labour in Uzbekistan’s cotton fields, once widespread, is swiftly vanishing. And an old hypothesis confirmed: birds get more colourful the closer they live to the equator.
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