MIT develops filters for wastewater treatment, more
...n-containing solutions passed through such filters tend to clog or foul them. In the wastewater treatment industry, cleaning and replacement costs associated with fouling cost some 47 percent of the total process costs. Granted, further treatments can lead to a fouling-resistant surface, but these extra ...Can a vitamin a day help keep heart disease away?
...d observations that people with lower homocysteine tend to have lower heart risk. High homocysteine levels may be associated with up to 6 percent to 10 percent of all heart deaths in the United States. The study looked at the hypothetical balance between costs and benefits under several different scen...Scientists track phosphate to better understand global warming
...ss, the individual isotopes of oxygen in phosphate tend to participate at different rates in biochemical reactions, resulting in isotopic fractionation (partitioning of the isotopes between reactants and products). The phosphorus-oxygen bond is so strong that it is resistant to breakage over the range o...In a hopeful sign, mercury levels decline in Everglades wading birds
...ng but not when they become adults, these problems tend to hit birds just as they become adult -- which also is when they face the most stressful and dangerous part of their lives learning to hunt and avoid predators. "We believe mercury poisoning definitely results in an increase in mortality, although w...Presence of only two genes makes the difference between an ordinary and headless embryo
...ssue and backbone and where they are highest cells tend to become skin, blood and tail, Solnica-Krezel observes.(In 1992, Brigid L. M. Hogan, the Hortense B. Ingram Chair in Molecular Oncology at Vanderbilt, and Christopher V.E. Wright, professor of cell biology, were among the first to suggest such a cri...Carbon sequestration: seeing the forest for its trees
... studies have demonstrated that nitrogen additions tend to inhibit humus decomposition in laboratory experiments. This study, however, is the first to examine the possibility that nitrogen additions may decrease carbon turnover in the field. The ramifications of the findings could have a large impact o...Smoking, heavy drinking and poor nutrition tend to cluster
...s, which found that smokers and excessive drinkers tend to eat more unhealthy foods like ice cream and fatty meat products, and less fruit, cereal and vegetables. Such tendencies are particularly dangerous for these individuals, since smoking and drinking both increase the body's demand for healthy foods...New method for studying ocean currents to help fight erosion
...ngle locations, whereas water circulation patterns tend to vary over much larger areas. Scientists must install dozens of sensors to study a single section of beach, and placing the sensors correctly is difficult and expensive. ...New predatory dog-sized dinosaur unearthed on Madagascar
... otherwise unknown among theropod dinosaurs, which tend to have teeth of the same type front and back. "When we dug up the first lower jaw bone, we weren't even sure it belonged to a dinosaur!" says Sampson. It was only after we compared it with the lower jaws of other carnivorous dinosaurs tha...A bizarre new predatory dinosaur unearthed on Madagascar
... otherwise unknown among theropod dinosaurs, which tend to have teeth of the same type front and back. Sampson stated, "When we dug up the first lower jaw bone, we weren't even sure it belonged to a dinosaur! It was only after we compared it with the lower jaws of other carnivorous dinosaurs that we b...Drug decreases blood vessel stiffness in older primates
... the natural flexibility of collagen strands. They tend to proliferate with age. Crosslinks appear to toughen tissues and may cause some of the deterioration associated with aging and diabetes, such as elevated systolic blood pressure, hardened arteries, and impaired kidney function. In the study, s...Polly wants a cracker - maybe a big mac, too
...erlooked or misunderstood by many bird owners, who tend to believe that birds will only eat birdseed. Whil...ries, Blue-McLendon says. Certain species of birds tend to get obese. These include Amazon parrots and some cockatoos, and these birds' food intake needs t...Oncogene spawns further mutation in breast cancer study
...cular and Cellular Engineering. MYC-induced tumors tend to behave more aggressively than other forms of breast cancers, and we were looking to better understand why. The researchers had primarily set out to study a larger mystery: why women who give birth at a younger age are less likely to develop br...Genetic therapies for aging will face many challenges
...cer late in life. Moreover, these prostate cancers tend to be more aggressive. Other men have larger numbers of these triplet repeats within the coding region of the gene. To add to the complexity, different genetic-based problems seem to arise during different ages of a person. For example: Martins la...Baboon studies suggest strategies for coping with stress
...s are learning and memory. Stress-hormone levels tend to rise with age, and hippocampal cells express fewer hormone receptors on their surfaces to protect themselves from the excess. The result? The stress response becomes harder to turn off. Continued exposure to stress hormones can kill hippocampal ce...Volcano helps meteorologists find answer to climate change mystery
...ted industrial emissions," he said. Those aerosols tend to result in higher temperatures by absorbing solar radiation especially in the winter, when more coal and wood is burned. The research by Saxena and his colleagues found that the amount of carbon soot pollution over China increased during the last ...Study: specialization affects recommendation of kidney failure treatment
...ildren's specialist, since pediatric nephrologists tend to concentrate around urban areas and medical research centers, says Furth. As a result, many children with kidney problems visit adult nephrologists....Anthropologists find evidence of early humans in southern China cave
...at are easily detached and carried away, leg bones tend to show up in greater frequency at home bases. Schepartz found that leg bones are twice as common as trunk elements (such as ribs orvertebrae) at Dadong, and many times more common than skulls. "That supports the idea that the more easily transporte...Competing fruit flies show evolution in action
... Biologists think that separation into niches that tend not to interbreed marks the beginning of the process. Biologists have two basic models for how new species form. In one model, a group of individuals is physically isolated from the rest of the species, for example by a mountain range. In the second......shells made from wheat stand up to moisture. "They tend to soften when wet," Nobes said. "There's probably some coating that may need to be applied," he acknowledged, "but we hope to be able to avoid that." Straw isn't the only fiber the scientists examined. "We've looked at everything from soft...