News tagged with wavelengths of light

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Why are so many fairy-wrens blue?

(Phys.org)—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 ...

Nov 01, 2012
4.7 / 5 (3) 0 | with audio podcast

By measuring lithium, researchers study star structure

During its nuclear fusion processes, a burning star does not make the element lithium. Rather, over time, stars consume their lithium supply that was originally created during the Big Bang that gave birth to our universe.

Oct 25, 2012
not rated yet 0 | with audio podcast

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 ...

Sep 24, 2012
5 / 5 (3) 0 | with audio podcast

Deep-sea crabs grab grub using UV vision

(Phys.org)—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 ...

Sep 06, 2012
5 / 5 (2) 1 | with audio podcast