Tag: "colors" at biology news
Story tips from the Department of Energy's Oak Ridge National Laboratory
...bal climate models come to life in 1 billion vivid colors
as scientists study their data and view simulations on a giant screen at the Center for Computational Sciences. The 8-by-30-foot power wall makes possible detailed study and collaborations in astrophysics, chemistry, climate, combustion, fusion, high...
Cells don festive holiday colors
...oteins. They can then use the telltale fluorescent colors
to separate the cells visually. The availability of the new colors
will enable scientists to track the effects of multiple genetic alterations in a single cell. Tsien ...
Immune system contributes to evolution of a new fluorescent protein
...sed a different strategy to create an array of new colors
of fluorescent protein. (To read about those studies, please go to http://www.hhmi.org/tsien2.html). According to Tsien, the process of SHM, which takes place in antibody-producing B cells of the immune system, offers considerable advantages for rese...
Yellowstone microbes fueled by hydrogen, according to U. of Colorado study
...t to them." Spear explained that the hot springs' colors
are the result of interactions between minerals an...s living in the pools. Hotter water usually shows colors
from minerals, and cooler water plays host to photosynthetic pigments. "Based on what I've seen in ...
Brown scientists uncover inner workings of rare eye cells
...ile rods and cones aid sight by detecting objects, colors
and movement, ipRGCs gauge overall light intensity. Numbering only about 1,000 to 2,000 out of millions of eyes cells, ipRGCs are different in another way: They have a direct link to brain, sending a message to the tiny region that controls the body ...
UCLA researchers detail the evolution of quantum dot imaging in the journal Science
... because they can be color encoded, with different colors
used to label different cell processes, different cancers or different stages of the same cancer, Michalet said. Currently, a positron emission tomography (PET) scan can tell doctors the locations of tumors throughout the body, based on targeting the...
New system can measure productivity of oceans
... the final color of the paint, factors in the base colors
used to produce it and then determines the original formula needed to reproduce the paint chip.To fully use this approach, new satellite systems will be necessary that can more accurately determine both the color and brightness of marine waters, Behr...
ASU researchers finds novel chemistry at work to provide parrot's vibrant red colors
... owners because of their vibrant colors. But those colors
may mean more to parrots than what meets the eye. ... researcher has uncovered the chemistry behind the colors
of parrots, describing on a molecular level what is responsible for their bright red feathers. The ...
New insight into people who 'see' colors in letters and numbers
...eople with a form of synesthesia in which they see colors
when viewing letters and numbers really do see col... shapes and colors. Some synesthetes report seeing colors
when listening to music, or feeling tactile shapes while tasting food. This cross-activation might d...
Neuroscientists locate 'imaginary' colors
...do these grapheme-color synesthetes really see the colors
they report, as measured in behavioral tests, but ...orm control subjects in this task. But synesthetic colors
were not as "strong" and not as effective an aid as real colors. Moreover, not all the synesthetes p...
First real-time view of developing neurons reveals surprises, say Stanford researchers
... distinct population of neurons turned fluorescent colors
to indicate their activity. Moving the square the reverse direction triggered a different population of neurons to light up. "At first we felt like we let some air out of our own tires with this finding," said Smith. His previous work had supported t...
Carrots of color
...nion and Beta Sweet maroon carrots. "Each of those colors
indicates that a certain phytochemical is present. My goal is to get one carrot that has them all." Phytochemicals are naturally occurring compounds that prevent disease. Pike hopes to pack lutein, carotene, anthocyanin and lycopene into one carrot, ...
Deep thoughts of a birdbrain
...nsisting of one of two shapes (a circle or dot) or colors
(red or white), the birds were cued to remember or forget the sample (signaled by either a high- or low-frequency tone or one of two distinct patterns). A delay period followed these cues. If a forget cue was presented, the trial ended after the del...
The evolutionary triumph of flower power
... accounts for the incredible variety of shapes and colors
we see in domesticated flowers today. McGuire suggests that nature's prettier flowers got to survive and thrive because people didn't destroy them when they cleared land for agriculture. Instead, they cultivated them and have been doing so for more t...
Quantum dots provide a faster, more sensitive method for detecting respiratory viral infections
... Crowe demonstrate that they can use two different colors
of quantum dots simultaneously. The colored quantum dots are attached to different "linker" molecules that bind to different RSV surface structures. "It's not much of a jump from two to five," Wright says. Quantum dots are available in a dozen diff...
Tagging pathogens with synthetic DNA 'barcodes'
...oresce under ultraviolet light in a combination of colors
that can be read by a computer scanner or observed with a fluorescent light microscope. Other methods of identifying biological molecules that are available or being developed mostly involve expensive equipment, Luo said. "We wanted something that co...
Programming organic transistors with light; the unusual origin of peacock brown; rotating nanowires
...ysical Review E Forthcoming article Many animals' colors
originate from photonic crystals, which reflect specific colors
of light as a result of their nanoscopic structures, rather than from pigments, which derive their c...
Female butterflies go for sparkle -- not size -- when choosing to mate
...n the context of the natural world, where dramatic colors
and physical features often win the sexual-selection game, according to the UB researchers. "This is one of the first studies to show that such a small pattern element really matters in female choice," said Antonia Monteiro, Ph.D. a co-author on the ...
Field of beams
...chers can differentiate minute differences in leaf colors
- indicators of over- or under-fertilization, crop-nutrient levels and perhaps even disease. The researchers hope their tractor-mountable N-Checker (for "nitrogen-checker") apparatus will help farmers determine in real time how much fertilizer to app...
Field Museum book profiles Illinois insects
... had to adapt to her new subject matter, using new colors
and techniques. For example, to examine the insects and render them in intricate detail, she needed to use a microscope. "When I looked through the lensI felt lost, silly in love," Macnamara says. "I began drawing forms I had never seen before, grad...
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