Chemistry 2011.org
Chemistry2011.org
All About Chemistry... 2011 and beyond

News articles about "Sediments"

Scientists search for new ways to deal with U. S. uranium ore processing legacy

Researchers at the Department of Energy's SLAC National Accelerator Laboratory are trying to find out why uranium persists in groundwater at former uranium ore processing sites despite remediation of contaminated surface materials two decades ago ... - Read More

Fossils survive volcanic eruption to tell us about the origin of the Canary Islands

The most recent eruption on the Canary Islands at El Hierro in 2011 produced spectacularly enigmatic white floating rocks that originated from the layers of oceanic sedimentary rock underneath the island An international team of ... - Read More

Chemical analysis of ancient rocks reveals earliest record yet of Earth's atmosphere: Isotopic memory of atmospheric persistence

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

Mercury from gold mines accumulates far downstream

Researchers have determined that the health risks taken on by artisanal small scale gold miners extend far beyond the miners themselves Based on a study of gold mining operations in Peru the miners' practices not ... - Read More

Algae blooms create their own favorable conditions

Fertilizers are known to promote the growth of toxic cyanobacterial blooms in freshwater and oceans worldwide but a new multi institution study shows the aquatic microbes themselves can drive nitrogen and phosphorus cycling in a ... - Read More

Oil sand mining is not polluting Athabasca Delta, new sampling method reveals

A new study into the pre industrial baseline levels of heavy metals in sediment carried by the Athabasca River shows that emissions from the Alberta oil sands and other human activities have not yet increased ... - Read More

Radiochemistry Annex: It's Getting Hot in There

Released 24 Dec 2014 11 00 AM ESTSource Newsroom Department of Energy Office of Science more news from this source Contact Information Available for logged in reporters only Dec 25 2014 Daniel Kaplan and Peter ... - Read More

NASA Goddard instrument makes first detection of organic matter on Mars

The team responsible for the Sample Analysis at Mars SAM instrument suite on NASA's Curiosity rover has made the first definitive detection of organic molecules at Mars Organic molecules are the building blocks of all ... - Read More

Oil-dwelling bacteria are social creatures in Earth's deep biosphere

Oil reservoirs are scattered deep inside Earth like far flung islands in the ocean so their inhabitants might be expected to be very different but a new study led by Dartmouth College and University of ... - Read More

Breathing sand: New measurement technique detects oxygen supply to bottom of North Sea

New analytical methods show for the first time how the permeable sandy sediment at the bottom of the North Sea is supplied with oxygen and which factors determine the exchange Because the metabolic rate is ... - Read More

Evidence for huge mountains that fed early life discovered

Scientists have found evidence for a huge mountain range that sustained an explosion of life on Earth 600 million years ago The mountain range was similar in scale to the Himalayas and spanned at least ... - Read More

Scientists find ancient mountains that fed early life

Scientists have found evidence for a huge mountain range that sustained an explosion of life on Earth 600 million years ago The mountain range was similar in scale to the Himalayas and spanned at least ... - Read More

Carbonate rocks are unrecognized methane sink

Since the first undersea methane seep was discovered 30 years ago scientists have meticulously analyzed and measured how microbes in the seafloor sediments consume the greenhouse gas methane as part of understanding how the Earth ... - Read More

A unique approach to monitoring groundwater supplies near Ohio fracking sites

A University of Cincinnati research project is taking a groundbreaking approach to monitoring groundwater resources near fracking sites in Ohio Claire Botner a UC graduate student in geology will outline the project at The Geological ... - Read More

Nanoparticles accumulate quickly in wetlands: Aquatic food chains might be harmed by molecules 'piggybacking' on carbon nanoparticles

A Duke University team has found that nanoparticles called single walled carbon nanotubes accumulate quickly in the bottom sediments of an experimental wetland setting an action they say could indirectly damage the aquatic food chain ... - Read More

Declining levels of acidity in Sierra Nevada lakes, study concludes

California's water supply depends on a clean snow pack and healthy mountain lakes The lakes receive a large amount of runoff in the spring from the melting snowpack If the snowpack is polluted the lakes ... - Read More

Ironing out details of the carbon cycle: Dissolved iron in North Atlantic traced to Sahara desert

Iron is present in tiny concentrations in seawater On the order of a few billionths of a gram in a liter I did a calculation once on a ton of ocean water says Seth John ... - Read More

Ancient Arctic sharks tolerated brackish water 50 million years ago

Sharks were a tolerant bunch some 50 million years ago cruising an Arctic Ocean that contained about the same percentage of freshwater as Louisiana's Lake Ponchatrain does today says a new study involving the University ... - Read More

Ancient ocean currents may have changed pacing and intensity of ice ages: Slowing of currents may have flipped switch

For decades climate scientists have tried to explain why ice age cycles became longer and more intense about 900 000 years ago switching from 41 000 year cycles to 100 000 year cycles In a ... - Read More

Marine Bacteria Are Natural Source of Chemical Fire Retardants

Released 6 25 2014 12 00 PM EDTEmbargo expired 6 29 2014 1 00 PM EDTSource Newsroom University of California San Diego Health Sciences more news from this source Contact Information Available for logged in ... - Read More
View more "Sediments" Articles
Social Networking

Please recommend us on Facebook, Twitter and more:

Other social media tools

Global Partners
Feedback

Tell us what you think of Chemistry 2011 -- we welcome both positive and negative comments. Have any problems using the site? Questions?

About us

Chemistry2011 is an informational resource for students, educators and the self-taught in the field of chemistry. We offer resources such as course materials, chemistry department listings, activities, events, projects and more along with current news releases.

Events & Activities

Are you interested in listing an event or sharing an activity or idea? Perhaps you are coordinating an event and are in need of additional resources? Within our site you will find a variety of activities and projects your peers have previously submitted or which have been freely shared through creative commons licenses. Here are some highlights: Featured Idea 1, Featured Idea 2.

About you

Ready to get involved? The first step is to sign up by following the link: Join Here. Also don’t forget to fill out your profile including any professional designations.

Global Partners