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Yellow in Biological News

US Patent Office rejects company's claim for bean commonly grown by Latin American farmers

... rejected all of the patent claims for a common yellow bean that has been a familiar staple in Latin ... At issue is a hearty and nutritious yellow beansimilar to the pinto beanthat is known to ... bean variety that produces distinctly colored yellow seed which remains relatively unchanged by ....

Study shows Darwin was wrong about the origins of chickens

... genetic study has revealed why chickens have yellow legs, demonstrating that though Charles Darwin ... reveals the genetic basis for the appearance of yellow skin in billions of chickens raised worldwide. ... only had one, and he was wrong on both counts. yellow coloring comes from pigments found in feed called ...

Darwin was wrong about the wild origin of the chicken

... the genes that give most domesticated chickens yellow legs and found to their surprise that this ... form of the domesticated chicken. The genes for yellow skin are spread among billions of domesticated ... and Durham University in England. The yellow leg color is a result of fodder: the ...

Research uncovers the social dynamics of yellow jackets

... Goodisman could be called the Maury Povich of the yellow jacket world. In his laboratory, Goodisman determines the paternity of yellow jackets to study family dynamics within a colony. ... only one family lives within a colony, each yellow jacket queen mates with several males, creating a ...

Venomous sea snakes play heads or tails with their predators

... of this species had a distinctive colouration pattern, with a bright yellow horseshoe marking on the tip of the head and the tail. The yellow was deeper than the colours on the rest of the body and the black ...

River delta areas can provide clue to environmental changes, Texas A&M prof says

... world, most notably the Mississippi in the United States and the (Huanghe) yellow and Yangtze in China. These sediments contain information that can provide ... the world's largest consumer of fertilizers and two of its rivers, the yellow and the Yangtze, are among the top five in the world in terms of sediment ...

River delta areas can provide clue to environmental changes, Texas A&M prof says

... world, most notably the Mississippi in the United States and the (Huanghe) yellow and Yangtze in China. These sediments contain information that can provide ... the world's largest consumer of fertilizers and two of its rivers, the yellow and the Yangtze, are among the top five in the world in terms of sediment ...

Climate change's impact on invasive plants in Western US may create restoration opportunities

... colloquially as the "kudzus of the West" cheatgrass; spotted knapweed; yellow starthistle; tamarisk; and leafy spurge. Such plants are defined as ... concluded that climate change is likely to expand invasion risk from yellow starthistle in California and Nevada and lands currently occupied by ...

Mosquitoes create harmonic love song before mating, study finds

... and female mosquitoes (Aedes aegypti), which can spread such diseases as yellow and dengue fevers, "interact acoustically with each other when the two are ... provide new ways to better control of mosquito populations in places where yellow and dengue fevers are significant problems. "By studying these flight ...

Rosella research could rewrite 'ring theory'

... says there are three main colour 'forms' of the crimson rosella crimson, yellow and orange which originated from the same ancestral population and are ... Conversely, genetic dissimilarity was found in the geographically linked yellow and orange populations in inland south eastern Australia. "We rejected ...

Protein transports nutrients believed to protect against eye disease

... vegetables, such as kale, spinach, broccoli, zucchini and peas, and in yellow or orange fruits and vegetables, such as carrots, papaya, squash and ... are known to accumulate in the macula region of the retina to form a yellow spot, and are referred to as macular pigment. Though this xanthophyll ...

Variety is the spice of life: too many males, too little time...

... to associate with male pairs that were polymorphic, i.e., one red and one yellow male. The level of individual recognition in this species is unknown and ... cues are very important. Healey et al. propose that by mating with one yellow and then one red male (or vice versa), female painted dragons are making ...

Ayurvedic nightshade deadly for dengue mosquito

... aegypti), which can spread a number of viruses including dengue fever and yellow fever and is commonly known as the yellow fever mosquito. The authors found that S. villosum was particularly ...

Warmer springs mean less snow, fewer flowers in the Rockies

... common asters to the region, and its small, purple daisy-like flowers have yellow centers. And aspen sunflowers (Helianthella quinquenervis) are well known for their startlingly bright yellow flowers which are often found in open, grassy areas. Winter snow can ...

Researchers put the bite on mosquitoes

... bite--especially if that bite carries a disease such as malaria, yellow fever, Dengue fever or West Nile virus. But if researchers from The ... pill that members of a community with a high instance of, say, yellow fever or malaria might take to reduce the mosquito population. The pill ...

Building disease-beating wheat

... of wheat bringing together resistance genes for leaf rust and Barley yellow Dwarf Virus (BYDV), two of the worlds most damaging wheat diseases. The ... the associated undesirable genes - most notably in this case those for yellow flour colour, an important quality characteristic in wheat, Dr Larkin ....

'Microfluidic palette' may paint clearer picture of biological processes

... virtually indefinitely. To demonstrate how the microfluidic palette works, the NIST researchers inject dyes of the three primary colorsred, yellow and blueseparately into the three inlets of the system. For each dye, an independent gradient forms that remains constant as long as flow rate into ...

What scientists know about jewel beetle shimmer

... external skeleton, its five, six and seven sided cells spontaneously arrange themselves to reflect light at certain wavelengths that produce green, yellow and red colors. Srinivasarao postulates that beetle cells form similar to a certain kind of liquid crystal called a 'cholesteric' liquid crystal ...

World's largest ocean observatory takes shape

... of the oceans in ways not previously possible. We are launching a new era of ocean exploration." Lying at depths of up to 2.6 km, the bright yellow nodeswhich supply power and two-way communicationsare protected in a trawl-resistant frame. All NEPTUNE Canada components and instruments are ...

Climate change could drive vast human migrations

... increasing floods and decreasing long-term water supplies. The glacier-fed basins of the Ganges, Brahmaputra, Irawaddy, Salween, Mekong, Yangtze and yellow rivers now support over 1.4 billion people. Most migrants will probably move within their own countries, or to countries next door. Many will be ...

Midge keeps invasive mosquito in check, aiding native mosquitoes

... of Southeast Asia, the Asian tiger mosquito has now spread to Africa, the Americas, Australia, the Caribbean, Europe and the Middle East. Like the yellow fever mosquito ( Aedes aegypti ), another invasive mosquito that is now well established in the Americas, the Asian tiger mosquito can carry several ...

Scientists urge global action to preserve water supplies for billions worldwide

... place on earth along the foot of the Himalayas, and other extreme weather events in recent decades. Major rivers in both regions, like China's yellow River and the Colorado River in the southwestern United States, routinely fail to reach the ocean now. These extremes are signs of the climate- and ...

Pliable proteins keep photosynthesis on the light path

... ). In the heart of every green leaf are pigments called chlorophyll, which not only give most plants their color, but also along with the yellow and orange carotenoid pigments, are key molecules that harvest light across the spectrum. In all plant chlorophylls, only one particular metal, ...

Apple enthusiasts welcome WineCrisp

... hanging on the tree even after ripening, making it important for growers to pick the fruit at maturity when the background has turned greenish yellow in color. Over the course of over 20 years of field observations, the tree appears to be cold-hardy for winter temperatures in Illinois and Indiana. ...

Feather color is more than skin deep

... properties. Carotenoid pigments are also used by many bird species as colorants, and are responsible for most of their red, orange and yellow coloration. In particular, carotenoid-red coloration in birds has been shown to act as an ornament, signaling the nutritional and health status of ...

Home tooth bleaching slightly reduces enamel strength

... means the molecules no longer reflect light, so the teeth appear whiter. Enamel, which is almost entirely inorganic and translucent, appears yellow in most teeth because it reflects the color of the dentin underneath, which is naturally yellow. "Especially nowadays, people tend to see beauty ...

New deep-sea coral discovered on NOAA-supported mission

... long periods of time as well as how they may respond to climate change in the future," said Dunbar. Among the other findings were a five-foot tall yellow bamboo coral tree that had never been described before, new beds of living deepwater coral and sponges, and a giant sponge scientists dubbed the ...

American Chemical Society's weekly PressPac -- March 11, 2009

... Journal of the American Chemical Society , a weekly publication. In the new study, Cary Pirone and colleagues note that bilirubin is a brownish yellow substance resulting from the liver's breakdown of hemoglobin, the red pigment that carries oxygen in the blood. Parents know bilirubin as the stuff ...

New deep-sea coral discovered on NOAA-supported mission

... long periods of time as well as how they may respond to climate change in the future," said Dunbar. Among the other findings were a five-foot tall yellow bamboo coral tree that had never been described before, new beds of living deepwater coral and sponges, and a giant sponge scientists dubbed the ...

Danger lurks underground for oak seedlings

... to white oak roots than northern red oak and black cherry, and more than six times more damage to white oak than black walnuts. The voles snubbed yellow poplar roots altogether. "Either the oak roots were much more nutritious and had higher energy content, or they contained fewer toxins, or some ...

Invasives threaten salmon in Pacific Northwest

... assembled reports of predation by six nonindigenous fish species: catfish, black and white crappie, largemouth bass, smallmouth bass, walleye, and yellow perch. Hundreds of thousands to millions of juvenile salmonids were being consumed by these species at just a handful of sites, and for some of the ...

Color test enhances tomato analyzer software

... production and marketing. In tomatoes, for example, color and color uniformity contribute directly to quality and marketability. The presence of yellow shoulder disorder, or YSD, a ripening disorder that results in blotchy discoloration under the skin of the tomato, is a major quality issue. Color ...

Good liquid, bad liquid

... with a red dot. Harmless liquids like water or shampoo are marked with a green dot. If MagViz cannot identify a liquid it marks the container with a yellow dot, requiring further inspection. (See the Los Alamos video for more on the science behind MagViz.) As development of the system continues, more ...

Grazing animals help spread plant disease

... study, scientists examined the effect of herbivores and omnivores such as mule deer, rabbits and feral pigs on the prevalence of barley and cereal yellow dwarf viruses, which can infect more than 100 crop and non-crop plant species, reducing their growth and seed yield. This virus is a major concern ...

New use for human hair

... support plant growth in horticulture crops as a sole source of nutrients. The study compared the productivity of four crops: lettuce, wormwood, yellow poppy, and feverfew, grown in commercial growth medium using untreated control, noncomposted hair cubes at differing weights, a controlled-release ...

Women double fruit, veggie intake with switch to Mediterranean diet plan

... cilantro, peppermint and sage One or more servings a day of red vegetables, such as tomatoes, tomato sauce and salsa One or more servings a day of yellow or orange vegetables, such as carrots, red bell peppers and pumpkin One or more servings a day of other vegetables, such as artichokes, cucumber, ...

Innovative surgery by MSU veterinarian provides new lease on life to dogs

... machine spends his time working out on an underwater treadmill, traversing obstacle courses and prancing around pain free. Jake, an 11-year-old yellow Labrador retriever, was the first dog in the Midwest and only the 11th in the world to undergo surgery for a new, cementless elbow prosthesis last ...

Bee smart, bee healthy

... tested the learning performance and immune responses of bumblebees from twelve colonies. The team tested the ability of 180 bees to learn that yellow flowers provided the biggest nectar rewards, and to ignore blue flowers. To test the evolutionary relationship between learning and immunity, they ...

Blue bananas

... This release is available in German . Ripe bananas are of course yellow. However, under black light, the yellow bananas are bright blue, as discovered by scientists at the University of Innsbruck (Austria) and Columbia University (New York, USA). The team, ...

Tick-borne encephalitis virus reveals its access code

... al. have identified an amino acid switch that flaviviruses flip to gain access to cells. Flaviviruses such as tick-borne encephalitis virus (TBEV), yellow fever, and dengue are dangerous human pathogens. These membrane-encircled viruses enter cells by being gobbled up into endosomes and fusing their ...
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