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Tag: "grass" at biology news

Study shows lizard moms dress their children for success

.... Sneaky yellow-throated males like to hide in the grass and need a barred pattern that breaks up the outline of their body so it blends in with the background. Aggressive orange males spend a lot of time in the open and need stripes to help them escape from predators (the optical effect of stripes on fast...

Genome sequencing reveals key to viable ethanol production

...that produces valuable ethanol from materials like grass and cornstalks. Waste products such as grass clippings and wood chips—once thought too difficult to turn into ethanol—may soon be fodder for hung...

Custom-made cancer cell attacks

...in San Francisco. The ideal plant: A perennial grass The body of a plant is composed of polysacchar...osic ethanol, he added, is Miscanthus, a perennial grass native to subtropical and tropical regions of Africa and southern Asia, which is used as an ornament...

Cellulosic ethanol: Fuel of the future?

...in San Francisco. The ideal plant: A perennial grass The body of a plant is composed of polysacchar...osic ethanol, he added, is Miscanthus, a perennial grass native to subtropical and tropical regions of Africa and southern Asia, which is used as an ornament...

Birth rate, competition are major players in hominid extinctions

... them the animals that relied on large expanses of grass for grazing. These animals were the prime food source for Neandertal. At the same time, modern Homo sapiens experienced the same reduction in large animal game, but switched to also fishing, snaring small mammals like rabbits and capturing turtle...

Turtles are loyal in feeding as well as in breeding

.... Green turtles have been observed cropping sea grass gardens to encourage new growth, so there could be a benefit to them returning to foraging grounds. Loggerheads have an omnivorous diet, including molluscs and crustacea, so the benefit to them revisiting feeding areas is unclear. Scientists do not y...

Hay fever can send work productivity down the drain

...E (IgE) to specific allergens, such as pollen from grass and trees. IgE is an antibody that triggers allergic reactions. In a previous study, Szeinbach found that the ImmunoCAP IgE blood test was more accurate in diagnosing allergies when compared to other specific IgE blood tests. While IgE testing is ...

Genome archaeology illuminates the genetic engineering debate

...new and important insights in the evolution of the grass species in general," Messing said. "The vast pool of genetic material in plants can be an important resource from which biotechnology can draw genes for insertion into an array of plants, generating unique genomes not achievable by conventional br...

New book uses ABCs to teach children microbiology

...all have an interest in, such as 'Why can cows use grass for food but humans can't?' and 'Why do we get gas after we eat beans?'" says author Rodney Anderson, a microbiologist and professor at Ohio Northern University, who presents photos he has collected of microorganisms shaped like letters of the alphab...

No-mow grass may be coming to your yard soon

...oly Grail of horticultural accomplishment would be grass that never grows but is always green. Now, that ...ow in specified ways. "We might be able to dwarf grass and keep it green by limiting brassinosteroids or increase the yield of rice by having more brassino...

K-Staters design and build a low-cost remote sensing tool for environmental studies

... it to be launched by hand and flopped down in the grass for landings," Schinstock said. "Furthermore, we're relying on an electric propulsion system that makes it extremely reliable and easy to use," he said. "Battery power eliminates emissions and messy fuels that could compromise the data collection sy...

Massive duplication of genes may solve Darwin's 'abominable mystery' about flowering plants

...a burst of evolution in the economically important grass family. The new results from the Penn State paper confirm a previously-reported paleopolyploidy event in eudicots (a group that includes beans, tomatoes, sunflowers, roses, and apples) associated with their rapid divergence, and demonstrates the fir...

Biofuels researcher searches for new sources

...nd his collaborators are researching. "If we use grass and straw, you can find the stock everywhere," Chen said. "It is widely available in many regions of the country, rather than being limited to the Corn Belt, and it has the potential to have higher production in Montana." The United States is facin...

Biodiversity key to sustainable biofuel according to University of Minn. researcher's findings

...Because they are perennials, you can plant prairie grass once and mow it for biomass every fall essentially forever." The research was carried out in 168 plots, each of which was randomly planted with 1-16 perennial grasses and other prairie plants. Over 12 years, rainfall during the growing season varied...

Researchers win money to develop breath test to detect breast cancer

...d to stand up or lie down---imagine blades of tall grass before a strong wind blows them flat. The surfaces switch when electrical charges are applied to make the straight particles bend. When upright, the spaces between the particles are open, and will attract the metabolites. Theoretically, a woman cou...

Restoring seagrass beds: Is it for the birds?

...ey can "do their business" and fertilize the shoal grass beneath them. "Birdstakes have proven successful in the Florida Keys," comments Dr. Heck. "We're placing signs in marinas and along the grassbed borders warning boaters against using their motors in the seagrasses. We'll also monitor the effects t...

Researchers discover way to transport environmental arsenic to plant leaves in new clean-up strategy

...o create arsenic-eaters among tree, shrub and even grass species, using the new knowledge. The problem of arsenic pollution is especially severe all over the Ganges River basin in India. During the so-called "Green Revolution" of the '60s and '70s, the cultivation of rice in flooded fields became pervasiv...

The evolution of food plants: Genetic control of grass flower architecture

...are interested in understanding genetic control of grass inflorescence architecture because seeds of cereal...initial steps of inflorescence architecture in the grass family, because the ra2 expression pattern is conserved in other grasses including rice, barley, and...

Research: Snails were overlooked contributors to marsh destruction

...entrated on the edge of the die off, where healthy grass remained. This migration resulted in the formation of grazer "fronts," which attacked and destroyed more marsh in "waves" of runaway consumption, the authors write. A team of scientists from UF, the Netherlands Institute of Ecology, Louisiana State ...

Plants have a double line of defence

...ng, the plants become more susceptible not only to grass powdery mildew fungi but also other pests ?for exa...chanism also fails can the originally non-virulent grass powdery mildew fungus colonise the plant. The Max Planck research has now demonstrated that the non...

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