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Research team realizes 3-color photodetector
There's a new approach to design results in a device that can detect different infrared wavebands, which could lead to applications in imaging and entertainment. (2016-04-22)

The evolution of Japanese color vocabulary over the past 30 years
Color plays an important role in conveying visual information, but the language we use to express what we see is limited. Recent studies show that color terms used in Japanese also change over time. (2017-03-02)

Researchers create elastic material that changes color in UV light
Researchers from North Carolina State University have created a range of soft, elastic gels that change color when exposed to ultraviolet (UV) light -- and change back when the UV light is removed or the material is heated up. (2011-04-14)

Newly discovered genetic element adjusts coat color in dogs
Why are Irish Setters so red while other breeds can come in different hues? Geneticists at the UC Davis School of Veterinary Medicine now have an answer for why some dogs have more intense coat colors than others. (2020-01-14)

'Race tests' may be fueling segregation in white evangelical churches
A new study explores why nominally welcoming churches remain racially segregated in the post-civil rights era. The reason may be due to clergy and congregants in white evangelical churches who execute what the authors term 'race tests' on incoming people of color. (2017-04-24)

Little understood cell helps mice see color
Researchers at the University of Colorado Anschutz Medical Campus have discovered that color vision in mice is far more complex than originally thought, opening the door to experiments that could potentially lead to new treatments for humans. (2017-12-14)

Building a better light bulb
Scientists study the movement of charge carriers to design an organic LED that is energy efficient and still casts a warm, natural glow. (2012-02-01)

LECs may be future of flat panel color displays
In the search for low-cost color displays that do not drain a computer's battery, the polymer light-emitting electrochemical cell (LEC) may be the next answer to the problem, according to an international team of electrical engineers. (2002-08-20)

Discovery of a simplest mechanism for color detection
Color vision, ocular color detection is achieved with complicated neural mechanisms in the eyes. Researchers from the Osaka City University in Japan have found color detection with a simplest mechanism in the fish pineal organ, an extraocular photosensitive organ on the brain surface. (2018-10-15)

Color coded -- matching taste with color
Color can impact the taste of food, and our experiences and expectations can affect how we taste food, according to Penn State researchers, who suggest this may have implications for how food and beverage industries should market their products. (2018-11-16)

Researchers pinpoint how detecting social signals may have affected how we see colors
The arrangement of the photoreceptors in our eyes allows us to detect socially significant color variation better than other types of color vision, a team of researchers has found. (2017-06-13)

Putting color in 'e-reader' displays
Electronic readers (e-readers), those increasingly popular devices that replace ink on paper, may have color displays in the future thanks to new advances in display technology. That's among the topics highlighted in a three-part cover story on electronic materials in the current issue of Chemical & Engineering News, ACS' weekly newsmagazine. (2010-07-14)

Appearances can be deceiving: Display versus surface colors
The white of paper and the white of monitor can be precisely the same color values, yet they appear fundamentally different. That disparity may not lie in the mode of display, but rather how the colors are constructed, according to a research team at Yokohama National University in Japan. They published their findings on October 27 in Scientific Reports, a Nature Research journal. (2020-12-07)

The biology of color
Scientists are on a threshold of a new era of color science with regard to animals, according to a comprehensive review of the field by a multidisciplinary team of researchers led by professor Tim Caro at UC Davis. (2017-08-03)

Colorful bacteria more dangerous
A new study in the July 18 issue of The Journal of Experimental Medicine shows that gold-colored bacteria are more harmful than their unpigmented relatives. A group of scientists led by Victor Nizet (UCSD, San Diego, CA) have discovered that the molecules that give certain bugs their color also help them resist attack by immune cells called neutrophils. (2005-07-11)

Color test enhances tomato analyzer software
Along with texture, size and flavor, color plays an important role in the business of horticultural crop production and marketing. Researchers from Ohio State University's Agricultural Research and Development Center describe the use of a new tool they implemented in the Tomato Analyzer software called Color Test. This tool allows scanning devices to be calibrated using color standards. (2009-02-26)

Color names: More universal than you might think
From Abidji to English to Zapoteco, the perception and naming of color is remarkably consistent in the world's languages. Across cultures, people tend to classify hundreds of different chromatic colors into eight distinct categories: red, green, yellow-or-orange, blue, purple, brown, pink and grue (green-or-blue), say researchers in this week's online early edition of the Proceedings of the National Academy of Sciences. (2006-10-18)

Color key to presentation of understandable scientific data
The scientific establishment is drowning in data, but whether it is census data or the vast amounts of satellite and computer-generated information created every day, visual representation and the use of color can help scientists understand and extract important patterns from this deluge, according to a Penn State cartographer. (2003-02-14)

Ancient caldera in Apollinaris Patera
These images, taken by the High Resolution Stereo Camera (HRSC) on board ESA's Mars Express spacecraft, show the caldera of Apollinaris Patera, an ancient, 5-kilometer-high volcano northwest of Gusev Crater. (2006-06-09)

Real and false-color images of Siberia
The Aqua satellite's MODIS (Moderate Resolution Imaging Spectroradiometer) instrument took this image of the fires in Siberia. The top image shows the full-sized false-color image of the area highlighting the burn scars from previous fires. (2015-05-14)

Colors evoke similar feelings around the world
People all over the world associate colors with emotions. In fact, people from different parts of the world often associate the same colors with the same emotions. This was the result of a detailed survey of 4,598 participants from 30 nations over six continents, carried out by an international research team. (2020-09-10)

Exoplanet climate 'decoder' aids search for life
After examining a dozen types of suns and a roster of planet surfaces, Cornell University astronomers have developed a practical model - an environmental color ''decoder'' - to tease out climate clues for potentially habitable exoplanets in galaxies far away. (2020-05-18)

New type of sensor material developed
Hokkaido University scientists have succeeded in developing a nickel complex that changes color and magnetism when exposed to methanol vapor. The new material can potentially be used not only as a chemical sensor, but also with future rewritable memory devices. (2017-03-28)

Does black-and-white advertising help consumers make better decisions?
According to a new study in the Journal of Consumer Research, black-and-white advertising gets consumers to focus on basic product features while color advertising can influence consumers to pay more for products with unnecessary extras. (2015-01-21)

Color sensors for better vision
CMOS image sensors in special cameras -- as used for driver assistance systems -- mostly only provide monochrome images and have a limited sensitivity to light. Thanks to a new production process these sensors can now distinguish color and are much more sensitive to light. (2009-10-05)

Mid Sweden University leads development of digital color x-rays
In the future doctors will be able to find more tumors at an early stage while using a smaller x-ray dose for each examination. Color x-rays offer new possibilities for medical diagnoses. This spring Mid Sweden University is presenting three dissertations in the field of digital color x-rays. (2007-05-22)

Virginia Tech Students Receive $250,000 Fuel Cell From DOE For The 1998-99 Futurecar Challenge
As participants in the 1998-99 FutureCar Challenge, Virginia Tech engineering students will receive a hydrogen-powered fuel cell worth $250,000 from the U.S. Department of Energy (DOE) and a new Chevrolet Lumina from General Motors. (1997-12-03)

New research shows consistency in synaesthetic experiences
New research appearing in the April issue of Psychological Science, a journal of the Association for Psychological Science, adds to a growing body of evidence suggesting that commonalities do indeed exists across synesthetes. In their own study of 70 synesthetes, and a reanalysis of 19 more in previously published data, psychologists Julia Simner, of the University of Edinburgh and Jamie Ward of the University of Sussex have found that synesthetes share certain grapheme-color combinations. (2008-04-29)

Shedding light on the origin of primate color vision
Researchers at the University of Chicago have found evidence that trichromatic or full color vision originated in prosimians, a group of lemurs, Bush Babies and pottos rather than in higher primates, pushing the origin of primate color vision back roughly 20 million years. (1999-11-03)

Anesthetizing fish may affect research outcomes
Fish use colorful patterns to signal to each other, including advertising for mates and warding off rivals. Studying the relationship between color and behavior sometimes entails anesthetizing and photographing the fish, but anesthetics may alter coloration, influencing the traits researchers are trying to study. (2019-10-04)

Behavioral studies show UV contributes to marsupial color vision
Work reported this week provides new evidence that marsupials, like primates, have functional color vision based on three different types of color photoreceptor cones -- but unlike primates, a component of marsupial color vision includes sensitivity to ultraviolet wavelengths. In the study, researchers employed behavioral tests to show that at least one type of marsupial uses its detection of UV light as part of its ability to discriminate between colors. (2006-03-20)

Bird feathers inspire researchers to produce vibrant new colors
Nagoya University team replicates unique color of bird plumage. Raspberry-like particle systems simulate the spongy texture of Stellar's jay's blue feathers. These findings represent a new approach to artificial structural color-based pigments. (2017-05-08)

In food packaging, color matters
Food shoppers associate qualities of healthfulness and taste with the color of the packaging, so manufacturers must understand what light versus dark colors mean to buyers. (2016-11-04)

Study shows limits on brain's ability to perceive multifeatured objects
New research sheds light on how the brain encodes objects with multiple features, a fundamental task for the perceptual system. The study, published in Psychological Science, a journal of the Association for Psychological Science, suggests that we have limited ability to perceive mixed color-shape associations among objects that exist in several locations. (2013-02-14)

This dance is taken: Hundreds of male frog species change colors around mating time
Some of nature's most vibrant colors occur in frogs, who peek out from rainforests and marshes in startling shades of blue, yellow and red. But for hundreds of species, only males flaunt flashy colors -- and sometimes only for a few hours, days or weeks each year. Scientists report that the males of at least 178 species of frogs undergo a temporary color change during their breeding season. Their research will help them understand why. (2017-09-20)

Color of the universe corrected by astronomers
The January announcement by Johns Hopkins astronomers that they had determined the (2002-03-07)

COVID-19 and the threat to American voting rights
The COVID-19 pandemic has illuminated three main pathologies of American voting rights. The pandemic has revealed the lack of systematic and uniform protection of voting rights in the United States. (2020-09-02)

Silver-glass sandwich structure acts as inexpensive color filter
Northwestern University researchers bypass nanotechnology to create a simple design that can transform silver into any color of the rainbow. (2015-02-13)

Scientists suggested a way to measure soil properties at any depth without digging
A team of scientists from RUDN University and the Dokuchyaev Soil Science Institute developed a method for identifying the color of soil at different depths and the structure of soil profile using ground-penetrating radar. With this methodology, scientists can identify the chemical composition of the soil and classify it for potential use in construction, agriculture, or mining without digging soil sections. (2020-12-22)

Expectation may be essential to memory formation
A theory that links memory encoding to expectations of future relevance may better explain how human memory works, according to a team of Penn State psychologists. (2016-03-28)

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