News tagged with wavelengths of light

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Why are so many fairy-wrens blue?

(—Researchers have long tried to explain the enormous diversity in colour of birds, and a new study is giving insights into why the humble fairy-wren, a colourful Australian bird, is radiantly blue.

dateNov 01, 2012 in Plants & Animals
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Scientists engineer novel DNA barcode

Much like the checkout clerk uses a machine that scans the barcodes on packages to identify what customers bought at the store, scientists use powerful microscopes and their own kinds of barcodes to help them identify various ...

dateSep 24, 2012 in Biochemistry
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Deep-sea crabs grab grub using UV vision

(—Crabs living half-a-mile down in the ocean, beyond the reach of sunlight, have a sort of color vision combining sensitivity to blue and ultraviolet light. Their detection of shorter wavelengths may give the crabs ...

dateSep 06, 2012 in Plants & Animals
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