Many genetic mutations in visual pigments, spread over millions of years, were required for humans to evolve from a primitive mammal with a dim, shadowy view of the world into a greater ape able to see all the colors in a ...
Evolution
Dec 18, 2014
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Which colour would you like your roses? Red, white, yellow... or perhaps blue?
Biotechnology
Oct 20, 2009
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(Phys.org) -- In plants, algae and some types of bacteria and fungi, sunlight is converted to chemical energy in a process we all know as photosynthesis; in that process water and carbon dioxide are also converted to oxygen. ...
The blind Mexican cavefish (Astyanax mexicanus) have not only lost their sight but have adapted to perpetual darkness by also losing their pigment (albinism) and having altered sleep patterns. New research published in BioMed ...
Evolution
Jan 22, 2012
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A suite of new materials developed in the lab of UConn researcher Luyi Sun can change their appearance and quickly revert to their original state, just like the squid and jellyfish that inspired them.
Materials Science
Aug 11, 2016
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(Phys.org) —A new study by scientists in the U.S. and Taiwan has shown that birds have colorful and patterned feathers because of specific cellular interactions involving stem cells rather than through the direct involvement ...
Walking outdoors in the fall, the splendidly colorful leaves adorning the trees are a delight to the eye. In Europe these autumn leaves are mostly yellow, while the United States and East Asia boast lustrous red foliage. ...
Plants & Animals
Aug 13, 2009
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Researchers have designed a light-harvesting funnel that absorbs sunlight from any direction and concentrates it onto smaller areas, such as high-performance solar cells. By stacking multiple funnels, each tuned to a different ...
Variations in skin color provide one of the best examples of evolution by natural selection acting on the human body and should be used to teach evolution in schools, according to a Penn State anthropologist.
Evolution
Feb 20, 2011
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The brilliant colors of birds have inspired poets and nature lovers, but researchers at Yale University and the University of Cambridge say these existing hues represent only a fraction of what birds are capable of seeing.
Plants & Animals
Jun 23, 2011
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