Although water from improved sources such as piped water and bore holes is less likely to contain fecal contamination than water from unimproved sources improved sources in low and middle income countries are not consistently ... - Read More
Researchers have some bad news for future farmers and eaters As carbon dioxide levels rise this century some grains and legumes will become significantly less nutritious than they are today The new findings are reported ... - Read More
Atmospheric sprites have been known for nearly a century but their origins were a mystery Now a team of researchers has evidence that sprites form at plasma irregularities and may be useful in remote sensing ... - Read More
Populations of predators and their prey usually follow predictable cycles When the number of prey increases perhaps as their food supply becomes more abundant predator populations also grow When the predator population becomes too large ... - Read More
medical treatment Some critics of this decision are arguing that the agency is disallowing advertising “commercial speech” as well as interfering with an individual’s right to receive information both of which are protected under the ... - Read More
In an article published in the scientific journal Natural Hazards and Earth System Sciences the researchers Jordi Mazon and David Pino of the Castelldefels School of Telecommunications and Aerospace Engineering EETAC of the Universitat Politècnica ... - Read More
Plants spend their entire lifetime rooted to one spot When faced with a bad situation such as a swarm of hungry herbivores or a viral outbreak they have no option to flee but instead must ... - Read More
As hydrogen fuel cell vehicles continue to roll out in increasing numbers the infrastructure for fueling them must expand as well To this end a new project launched by the Energy Department and led by ... - Read More
A Northwestern University study by an economist and a chemist reports that when fuel prices drove residents of São Paulo Brazil to mostly switch from ethanol to gasoline in their flexible fuel vehicles local ozone ... - Read More
Materials that can be used for thermoelectric devices those that turn a temperature difference into an electric voltage have been known for decades But until now there has been no good explanation for why just ... - Read More
Using principles of energy transfer more commonly applied to designing solar cells scientists at the U S Department of Energy's Brookhaven National Laboratory have developed a new highly sensitive way to detect specific sequences of ... - Read More
Stanford scientists have developed faster more energy efficient microchips based on the human brain 9 000 times faster and using significantly less power than a typical PC This offers greater possibilities for advances in robotics ... - Read More
The smallest most abundant marine microbe Prochlorococcus is a photosynthetic bacteria species essential to the marine ecosystem An estimated billion billion billion of the single cell creatures live in the oceans forming the base of ... - Read More
Researchers from the University of Cambridge have published details about how the first organisms on Earth could have become metabolically active The results which are reported in the journal Molecular Systems Biology permit scientists to ... - Read More
Sifting through the chemical clues left behind by arson is delicate time consuming work but University of Alberta researchers teaming with RCMP scientists in Canada have found a way to speed the process A computer ... - Read More
Birds in the exclusion zone around Chernobyl are adapting to and may even be benefiting from long term exposure to radiation ecologists have found The study published in the British Ecological Society's journal Functional Ecology ... - Read More
A changing climate is increasing the accessibility of U S Arctic waters to commercial activities such as shipping oil and gas development and tourism raising concern about the risk of oil spills A new report ... - Read More
A new computer program could help doctors predict which patients might suffer potentially fatal side effects from a key stroke treatment The program which assesses brain scans using pattern recognition software similar to that used ... - Read More
Released 4 17 2014 10 00 PM EDTEmbargo expired 4 21 2014 3 00 PM EDTSource Newsroom Virginia Tech Virginia Polytechnic Institute and State University more news from this source Contact Information Available for logged ... - Read More
The refrigerant R1234yf is being considered for use in air conditioning systems in cars Chemists at Ludwig Maximilians Universitaet LMU in Munich now show that in the event of a fire it releases the highly ... - Read More
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