are essential to nuclear medicine In an effort to return to a stable mass isotopes known as radioisotopes emit radiation that can damage diseased tissue and can be traced in certain environments making them useful ... - Read More
Oct 12 2016 The different elements found in nature each have their distinct isotopes For carbon there are 99 atoms of the lighter stable carbon isotope 12C for each 13C atom which has one more ... - Read More
Stanford scientists have found that chronically low levels of oxygen throughout the oceans hampered the recovery of life after the Permian Triassic extinction the most catastrophic die off in our planet's history Also known as ... - Read More
There's no question that our species has had a dramatic impact on the planet's physical environment particularly over the last few centuries with the rise of modern industry transportation and infrastructure But as new research ... - Read More
there is undeniable potential for a NACIL future that honors its past ORNL is managed by UT Battelle for the Department of Energy’s Office of Science DOE’s Office of Science is the single largest supporter ... - Read More
Proteins from salt loving halophilic microbes could be the key to cleaning up leaked radioactive strontium and caesium ions from the Fukushima Dai ichi Nuclear Power Plant incident in Japan The publication of the X ... - Read More
Leaded gasoline was a larger emission source of the toxic heavy metal lead than mining in South America even though the extraction of metals from the region's mines historically released huge quantities of lead into ... - Read More
A University of Utah study of nearly 2 000 year old livestock teeth show that early herders from northern Africa could have traveled past Kenya's Lake Victoria on their way to southern Africa because the ... - Read More
Methane is a potent greenhouse gas second only to carbon dioxide in its capacity to trap heat in Earth's atmosphere for a long time The gas can originate from lakes and swamps natural gas pipelines ... - Read More
While studying a ground nesting bird population near El Reno Okla a University of Oklahoma led research team found that stress during a severe weather outbreak of May 31 2013 had manifested itself into malformations ... - Read More
Next to global warming ocean acidification is currently considered as the second major carbon dioxide problem With the increase of carbon dioxide CO2 in the atmosphere larger quantities of the gas are getting into the ... - Read More
A new model describing atomic nuclei proposed by a physicist from the University of Warsaw Faculty of Physics more accurately predicts the properties of various exotic isotopes that are created in supernova explosions or inside ... - Read More
A team of astronomers from National Astronomical Observatory of Japan NAOJ Osaka Kyoiku University Nagoya University and Kyoto Sangyo University observed Nova Delphini 2013 which occurred on August 14 2013. Using the 8.2 meter Subaru ... - Read More
Radioguided surgery RGS allows the surgeon to evaluate the completeness of a tumor resection while minimizing the amount of healthy tissue removed During the procedure a surgeon is provided with vital and real time information ... - Read More
Uranium isotopes leave a distinct 'fingerprint' in the sources of volcanic rocks making it possible to gauge their age and origin Geologists have gained a new understanding of how Earth's crust is recycled back into ... - Read More
Chemical analysis of some of the world's oldest rocks by an international team led by McGill University researchers has provided the earliest record yet of Earth's atmosphere The results show that the air 4 billion ... - Read More
Human activity predominantly the global economic system is now the prime driver of change in the Earth System the sum of our planet's interacting physical chemical biological and human processes according to a set of ... - Read More
To understand the extent to which human activities are polluting Earth's atmosphere and oceans it's important to distinguish human made pollutants from compounds that occur naturally A recent study co authored by a Brown University ... - Read More
For the first time researchers have succeeded to detect a single hydrogen atom using magnetic resonance imaging which signifies a huge increase in the technology's spatial resolution In the future single atom MRI could be ... - Read More
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