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Tag: "high" at biology news

New research indicates a 'troubled' greenhouse is brewing

...ouse event. "This is known to have been a time of high atmospheric carbon dioxide from studies of the breathing pores in fossil leaves," he explains. "At that time, Wyoming warmed from a mean annual temperature of some 55 degrees to a summer-like 65 degrees Fahrenheit. Rainfall in Utah jumped from 16 inc...

Plants defy Mendel's inheritance laws, may prompt textbook changes

...eneticist. "While Mendel's laws that we learned in high school still are fundamentally correct, they're not absolute. "If the inheritance mechanism we found in the research plant Arabidopsis exists in animals, too, it's possible that it will be an avenue for gene therapy to treat or cure diseases in both...

Falling ants glide back to trunk to avoid dangers of forest floor

... for long distances, the ants fall at a relatively high velocity, around 4 meters per second (12 feet per second), and approach the tree at a steep angle. This means they frequently bounce off the trunk, though, as Yanoviak initially noted, they just make a 180 degree turn and try again ?usually with succ...

X-Ray Beams And Fruit Fly 'Flight Simulator' Aid Scientists' View Of Muscle Power

...ach phase of the wing beat in order to produce the high power output.?/p> The researchers note that th...the flight muscle proteins are responsible for the high speed. Collaborators on the X-ray project, in addition to Dickinson and Maughan, are Gerrie Farman,...

Carnegie Mellon scientists develop tool that uses MRI to visualize gene expression in living animals

...ause MRI images deep tissues non-invasively and at high resolution, investigators don't need to sacrifice animals and perform laborious and costly analysis. To trigger living cells into producing their own contrast agent, Ahrens gave them a gene that produces a form of ferritin, a protein that normally s...

Scientists discover how fish evolved to float at different sea depths

...l blood proteins, which can release oxygen even at high oxygen concentrations. These systems drive oxygen...flated through gas secretion even when they are in high water pressures. My aim was to find out how these systems came into place and how this allowed for t...

Implanted Devices Detect High-Risk Heart Failure Patients

...ed information appears to more accurately identify high risk patients who would benefit from early and agg... infections of the heart, coronary artery disease, high blood pressure, previous heart attacks and valve problems. An estimated 4.7 million Americans suffer...

Opposing fat metabolism pathways triggered by a single gene

...e gut and gonad. This was accompanied by unusually high fat content in the larvae. They further showed that deletion of nhr-49 changed expression of 13 genes related to fat and glucose metabolism, with the most dramatic effects occurring within two metabolic pathways: mitochondrial lipid oxidation and fat...

Kinovate Life Sciences Launches Nittophase?High Performance Solid Support For Oligonucleatide Synthesis

...rcially available in two grades; NittoPhaseTOS?for high loading applications, and NittoPhaseROS?for lower loading applications. In this way, NittoPhase?offers a solution for the entire spectrum of oligonucleotide synthesis applications. “Kinovate Life Sciences aims to be a robust partner to both oligonuc...

Vascular structure and function improve with diet and exercise

... of the vasculature, so it might lower the risk of high blood pressure, diabetes, heart attacks and stroke...Heart Association scientific advisory. The diet is high in fruits, vegetables, bread, other forms of cereals, potatoes, beans, nuts and seeds with olive oil...

Bone Density Recovers After Teens Stop Injected Contraceptive

...rage bone mineral density scores were “at least as high as those of the comparison women at all of the anatomical sites.?/p> The current study was conducted to follow up an earlier study of older women (18-39 years old.) That study found that the older women lost bone density while using DMPA and incr...

Researchers develop rapid diagnostic tool for pathogen identification

...rehensive detection of co-infections.?/p> “The high multiplexing capability and sensitivity of the app...pathogens and detection of the molecular tags with high sensitive mass spectrometry, which can be potentially miniaturized,?stated coauthor, Jingyue Ju, PhD...

Effective Cancer Treatments Follow The Clock

...d that Clock-mutant and Bmal1-knockout mice showed high sensitivity to the drug at any time it was administered ?as if the drug were administered early in the morning or late at night. In contrast, the Cryptochrome knockout mice showed more resistance to the drug at all times than did normal mice. The re...

Genetically modified rice in China benefits farmers' health, study finds

...lied to the conventional rice was 8 to 10 times as high as that applied to the insect-resistant geneticall.... Pesticide related illnesses Because there is a high incidence of pesticide-related illness in households of developing countries, including China, the r...

Use of Insecticides Linked to Lasting Neurological Problems for Farmers

...ous studies that focused on pesticide poisoning or high dose exposures, for example when large amounts of ...ng a study questionnaire were classified as having high levels of symptoms. Researchers found that nearly 3,000 participants had a high lifetime exposure t...

LUCA technologies confirms real-time methane generation

...cids and carbon dioxide. Thermatoga also thrive in high temperature environments, such as those found in sub-surface oil wells. "Oil within the Monument Butte field has a waxy composition that may facilitate the strong real-time methane generation we see at this site," commented Mr. Pfeiffer. "If so, the...

Surprising findings reported about iron overload

...The finding that Asians and Pacific Islanders have high levels of iron in the blood is surprising because ...evelop hemochromatosis/iron overload despite their high blood levels of iron." He said that the NEJM paper is the first report from analysis of the massive...

Drug-resistant bacteria on poultry products differ by brand

...ts purchased at grocery stores in Baltimore, Md. A high percentage of the products from the two conventional brands were contaminated with fluoroquinolone-resistant Campylobacter (96 percent from Tyson and 43 percent from Perdue) while significantly lower proportions of 'antibiotic-free' products were con...

Norovirus, AIDS vaccine and Hepatitis Virus

...in developing countries," say the researchers. The high frequency of NoV infection among TD cases examined in this study suggests that further investigations concerning the role of these viruses in TD are warranted." (A.R. Chapin, C.M. Carpenter, W.C. Dudley, L.C. Gibson, R. Pratdesaba, O. Torres, D. San...

Live fast, die young true for forests too

...ive forests, such as coniferous forests growing at high latitudes, the same changes could take more than a century to occur. Another implication of the study is that environmental changes considered beneficial to forests may bring about unexpected forest changes. "Most attention so far has been given to ...

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