A Drug Pump On A Computer Chip
... directly through the alloy, setting up a cycle of heating and cooling that causes the metal to flex. This forces the chamber to expand and contract. The expansion pulls fluid into the chamber through an intake valve, and the contraction expels the fluid through an exhaust valve. The flow sensor is made...Purdue Researchers Prod Plants To Clean Up Pollution
...ted soil (such as removing, chemically treating or heating it) would cost several hundred dollars per ton of soil, according to DOE officials. That puts cleanup costs for contaminated soil in the United States at hundreds of billions of dollars. If phytoremediation reduced those cleanup costs by even 10 perc...Hot 'Lanta: NASA, School Kids Team To Study How Trees Help Cities Keep Their Cool
... cities reshape themselves for comfort - and lower heating bills - and help developing nations avoid the same mistakes. For the convenience of newspaper and magazine editors, we have posted ...Limits Of Life On Earth: Are They The Key To Life On Other Planets?
...maintained on planetary surfaces through radiative heating from nearby stars. Douglas Lin from the University of California and coworkers will examine whether a layer of water can persist below the surface of a planet's moon, maintained as liquid by tidal interaction between planet and moon. They will anal...IFT Report Describes Challenges Of Food Industry Stepping Up To The P(a)lates Of Consumers
... product abuse, Marth notes. Proper handling after heating is critical to avoid introducing microbialhazards. Other control measures that may enhance food safety and are commerciallyapplied include irradiation (approved for meat and poultry, but not seafood),the bacteriocin nisin (an anti-microbial...Phase Out Planned For One Of Top Five U.S. Pesticides, Plant Doctors Respond
...matterlevel of soil Soil solarization (the thermal heating of moist soil by sunlight) Electrical heating of soil Incorporation of biological control organisms What ever the alternative, "The loss of meth...University At Buffalo Energy-Conservation Projects Record Highest Savings Among Campuses
... UB's experience has shown thata single degree of heating or cooling during one year can amount to savings of$100,000 or more. Wagner added that UB's experience saving money through environmental reforms hasgenerated interest in the Western New York community. After undergraduate students in an environme......rgon/argon dating of the glass formed by localized heating of the rock.They asked Rowley to help figure out how the craters were aligned when theimpacts occurred–because of plate tectonics, the continents have movedextensively in the last 214 million years. Rowley, a principal investigator for the Unive...Smog Spreading To South Pacific
...antiago,Chile, use of liquefied petroleum gas for heating and cooking also cancontribute significantly to ozone formation. At elevated levels, it can causebreathing difficulties, increase the risk of asthma attacks, and adverselyaffect the growth of trees, shrubs, and cash crops ranging from vegetables too...Dust Mite Behavior May Show New Ways To Control Pests
...below 50 percent humidity,”he said. “And heating a home in the winter will cause the humidityto drop below 50 percent, but the mites will survive anyway. We think clusteringin addition to entering a kind of hibernation is how they’re able todo that.” Glass and Needham did this work as pa...Spinach Enzymes Neutralize Explosives
...mperature,compared with other methods that require heating to extreme temperatures. The digestion process would be safer than other alternatives, according to Shah. It would beconducted in a tank of water at atmospheric pressure, therefore reducing risk of explosion or fire. There would be no alkaline solut...Duke Studies Show U.S. Central Plains Vulnerable To Global Warming
...sed carbon dioxide, but rather by changes in solar heating dueto a wobble and tilt in Earth's spin and changes in its orbit around the sun. In another paper prepared for the ESA, Clark and graduate student PhilipCamill reported on the expected effects of global warming on peatlands inpermafro...Americans Urged To Consume More Folic Acid
...fter storage and cooking, the AHA said. "Prolonged heating or boiling followed by discardingof water or microwave heating may reduce folate content of food," said theScience Advisory. Sources of folic acid include: Total c...Waste Makes Saleable Coal Product
...oes not need cleaning orcrushing, nor does it need heating to remove volatile components. Also, whileanthracite sells for about $50 a ton, the waste from power plants can beseparated for $10 to $15 per ton, and the fly ash could be sold to cementmanufacturers. "The combustion of 920 million tons of c...Quarterly News Tipsheet -- Research Highlights From Pacific Northwest National Laboratory
...walls or floor of a home to provide efficientspace heating and cooling. Increased efficiency comes from the fabrication oftiny channels within the heat exchanger, where much of the heat pump's worktakes place. Smaller channels result in more effective heat transfer due to theintimate contact between the re...Tipsheet: Environmental Story Ideas
...mes switched to a combination electric-solar water heating source, it would produce more carbon dioxide-reduction than it would to doublethe gas mileage of every American car. Beckman says the UW's Solar Energy Lab, opened in 1954, is the oldest suchcenter in the country. For more information, contact Beckma...Bacteria That Gorge On Rotting Waste Can Break Down DDT
...it in alandfill site is now illegal in the US, and heating it in massive kilns to burnoff offending pesticides is expensive. The team at AstraZeneca has come up with an alternative, using localbacteria that feed on organic waste to break down hazardous substances into lessharmful by-products in a pro...Massive pollution documented over Indian Ocean
...ion. "The soot contributes asubstantial amount of heating of the atmosphere, but it also reduces the amountof sunlight reaching the ocean," Ramanathan said. "So, it is just too early to say at this point whether the net effect is one of cooling or warming." The dark airborne particles over the Indi...Pacific Northwest developments earn spots in top 100 list
...rds are leading to: tiny personal and home heating systems fuel cells for automobiles ...in-linewater heaters, fuel cell systems and indoor heating systems such as baseboardheaters. An array of units can heat a house efficiently and reduce energy ...... an automated alertif there are signs of volcanoes heating up. That way, an official statementmay be made through hazard agencies," said Flynn, who hopes to implementthe same system for volcanoes around the globe. Flynn said that the GOES data need careful interpretation because sometimesGOES sees features t...