(Phys.org) —Among the taxidermal specimens in Harvard's Museum of Comparative Zoology, past centuries-old fur coats, arises a flicker of brilliant blue. This is the spangled cotinga. Surprisingly, the cotinga is about as ...
Optics & Photonics
Mar 14, 2014
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Sparks are a fascinating phenomenon well-known from campfires, flint stones and electric sparklers and other pyrotechnic articles. Looking at sparks more closely reveals the limited colors in which they appear. Dark red-orange ...
Materials Science
Mar 26, 2019
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12
Diamonds aren't just glittery, sparkly gems for jewelry. The smallest ones, only a few nanometers wide, are also crucial for drug delivery, sensors and quantum computer processors. Producing diamond nanoparticles that are ...
Nanomaterials
Mar 23, 2022
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30
If global warming persists, blue lakes worldwide are at risk of turning green-brown, according to a new study which presents the first global inventory of lake color. Shifts in lake water color can indicate a loss of ecosystem ...
Earth Sciences
Sep 22, 2022
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109
(Phys.org)—A small team of researchers from the University of California and the University of Washington has found that not all of the color-sensing cells in the back of the eyeball actually help us to see color. Instead, ...
The DNA double helix is composed of two DNA molecules whose sequences are complementary to each other. The stability of the duplex can be fine-tuned in the lab by controlling the amount and location of imperfect complementary ...
Biochemistry
Oct 17, 2023
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356
As an octopus, a squid, or a cuttlefish moves around a reef in the ocean, it instantly camouflages itself against the background. Known as cephalopods, these animals have the extraordinary ability to conceal themselves from ...
Plants & Animals
May 19, 2011
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The subtle yet surprisingly varied colors of Mercury are revealed in the latest images from NASA’s MESSENGER spacecraft, now in its extended mission and second year in orbit.
Space Exploration
Apr 23, 2012
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(Phys.org)—Outside his career as a noted nanochemist, Lawrence Berkeley National Laboratory (Berkeley Lab) director Paul Alivisatos is an avid photographer. To show off his photos, his preferred device is a Kindle Fire ...
Nanophysics
Jan 9, 2015
0
76
Primate species with better color vision are not more likely to have red skin or fur coloration, as previously thought.
Plants & Animals
Sep 21, 2023
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