Similar Articles

Browse Main Topics:

Business
Computers & Electronics
Education & Reference
Entertainment & Leisure
Family & Home
Finance & Investment
Health
Internet
Pets & Animals
Science & Technology
Society, Politics & Culture
Sports & Recreation

Similar Articles

Chemistry World April 9, 2009 Lewis Brindley	'Nickel famine' caused ancient oxygen rise A crucial increase in atmospheric oxygen that occurred around 2.4 billion years ago could have been triggered by a shortage of nickel in the oceans, according to Canadian researchers.
Geotimes November 2006 Carolyn Gramling	Airing Out an Early Atmosphere Scientists have generally thought that oxygen was scarce in Earth's atmosphere until about 2.4 billion years ago. Now a study based on new evidence suggests that oxygen may actually have been around longer than previously thought.
Chemistry World March 15, 2009 Lewis Brindley	Age of Photosynthesis Questioned Photosynthesis could have been flourishing on Earth nearly a billion years earlier than previously thought, according to a study by American geochemists.
Geotimes January 2006 Kathryn Hansen	Plant Methane Surprises Climate Scientists Atmospheric scientists have long blamed cattle and microbes for the production of significant amounts of methane on Earth. But the discovery of a new large source of methane, a greenhouse gas that contributes to global warming, is putting trees on the hot seat.
Geotimes August 2006 Jennifer Yauck	Microbes Reshuffle Earth's Early History Previously, scientists used microfossil evidence to date the earliest eukaryotes to about 1.8 billion years old, and the earliest cyanobacteria to about 2.1 billion years old. Now, geologists present new evidence suggesting both types of organisms existed as early as 2.45 billion years ago.
Chemistry World May 27, 2014 Robert Newton	Oxygen: a four billion year history Donald Canfield delivers his explanations with a deft hand, bringing us the evidence for oxygen's history on the Earth's surface.
Chemistry World August 7, 2007 Simon Hadlington	The Burning Issue In an effort to clean up fossil-fuel power stations, scientists have completed a project to create ceramic straws that can produce a stream of pure oxygen from air.
Chemistry World October 2, 2014 Tim Wogan	Photosynthesis-free route to oxygen gives early Earth atmosphere clues A direct mechanism for producing oxygen from carbon dioxide using far ultraviolet radiation has been experimentally demonstrated by researchers in the US, confirming a 14-year-old theoretical prediction.
Geotimes October 2005 Kathryn Hansen	Greenhouse Gases Revisited Scientists say now that a new method of tracking the effects of greenhouse gases could lead to a more accurate understanding of their impact on climate change, which other scientists say the Arctic is already experiencing on a dramatic scale.
Geotimes October 2006	Geocatastrophes Catastrophe and Opportunity in an Ancient Hot-House Climate... When the Mediterranean Dried Up: Forensics of a Geocatastrophe... The Great Death: Redefining a Mass Extinction...
National Defense February 2009 Grace V. Jean	Getting to the Bottom of Global Warming -- From Space The first of several satellites designed to monitor Earth's greenhouse gases has reached orbit and will begin collecting data in the coming months.
Chemistry World November 10, 2010 Mike Brown	Sulfur story unearths oxygen environment Earth's atmosphere could have supported complex life 400 million years earlier than thought, according to sulfur isotope signatures found in some of the oldest rocks on Earth.
Reactive Reports Issue 37 David Bradley	X-rays Reveal PSII Secret The possibility of using solar energy and water as a cheap source of hydrogen and oxygen is a step closer thanks to British researchers who discovered how the photosynthetic centre in a cyanobacterium works.
Geotimes December 2005 Kathryn Hansen	Mammal Growth Spurt About 50 million years ago, mammals started to breathe easier -- and also to grow more easily, paleontologists say.
Geotimes August 2004 Megan Sever	The Missing Methane Link Researchers working in Azerbaijan have quantified one of the missing methane emitters -- mud volcanoes.
Chemistry World October 29, 2015 Emma Stoye	Rosetta detects oxygen on comet 67P Molecular oxygen has been detected in the cloud of gas surrounding comet 67P/Churyumov-Gerasimenko by the Rosetta space probe.
Chemistry World November 19, 2014 Rebecca Trager	Watching carbon dioxide's globetrotting New high-resolution simulations depicting how local geography affects the transport of carbon dioxide in the Earth's atmosphere have been created by NASA.
Chemistry World May 2, 2014 Jon Cartwright	'Solar' jet fuel made out of thin air The dream of producing hydrocarbon fuels from carbon dioxide and sunlight is one step closer thanks to chemists in Europe who have made jet fuel from scratch in a solar reactor for the first time.
Chemistry World April 14, 2013 Andy Extance	Split water splitting raises green hydrogen hopes UK scientists say that they have developed the first widely-useable electrolysis system that splits water and releases hydrogen and oxygen in separate stages.
Chemistry World May 13, 2014 Tim Wogan	Chemistry calculations reveal Earth's inner core Theoretical calculations have confirmed that the Earth's core contains a significant proportion of oxygen.
Geotimes May 2004 Sara Pratt	Ocean Anoxia Researchers are using microfossils to date ocean anoxic events, or severe oxygen depletion in the ocean, back to 132 million years ago. The findings will open up several new avenues of inquiry including the impact of the global carbon cycle perturbation on the biosphere as a whole.
Chemistry World November 6, 2008 James Mitchell Crow	Double reactor makes hydrogen and syngas Two chemical reactions key to producing future fuels can be linked together in a single membrane-based reactor to increase their efficiency, say Chinese chemists.
Science News January 12, 2008	Timeline: From the January 8, 1938, issue Prof. Wesley C. Mitchell named AAAS president... New gas is discovered high in atmosphere of the earth... Ball-and-socket joint found in dinosaur skull...
Chemistry World August 16, 2009 Hayley Birch	Nanotubes promise ultra-small wearable oxygen sensors US researchers have created tiny oxygen-sensing devices made from carbon nanotubes.
AboutSafety August 10, 2001 Kay Mangieri	Sense Or Smell Choosing the right workplace gas detection monitor is critical, but can be difficult. Some basic selection criteria are needed to help focus the search for the most appropriate piece of equipment...
Chemistry World July 31, 2008	Breakthrough Catalyst for Splitting Water Scientists say they have solved a fundamental problem hampering renewable energy generation - how to split water cheaply into oxygen and hydrogen, under benign conditions, so that the gases can be stored as fuels.
Science News March 17, 2001	TimeLine: March 14, 1931 70 Years Ago in Science News: New Welded Pipe Line Carries Water to San Diego... Age of Earth Determined as Over 2,000,000,000 Years... Moon Lacks Oxygen, Its Light Proves...
Chemistry World July 14, 2011 Holly Sheahan	No More Oxygen for Artificial Lung US scientists have mimicked the structure of a lung to make a device that can use air as a ventilating gas instead of pure oxygen. The invention could mean that implantable devices could be a step closer.
Geotimes October 2006 Carolyn Gramling	Flexing Plates Produce Volcanoes There's a new kind of volcano in town, according to a new study.
AskMen.com Julian Marcus	The Truth About Oxygen Bars Oxygen bars have become increasingly popular among urban hipsters, and new bars keep popping up all over major cities. But is paying for oxygen a breath of fresh air or just a load of hot air?
Chemistry World June 26, 2015 Osman Mohamed	Single catalyst simplifies water splitting Scientists in Switzerland have shown that a nickel catalyst, capable of hydrogen evolution, can also stably generate oxygen at low overpotentials in alkaline solution.
Reactive Reports David Bradley	Subjective Suboxide Carbon monoxide and carbon dioxide are probably the best known molecules containing just carbon and oxygen, but they do form others, such as carbon suboxide (C3O2), which is one of the most stable.
Chemistry World November 11, 2011 Emma Eley	Intelligent packaging to detect spoiled food A sensor that changes color in the presence of oxygen could be useful in the food packaging industry, according to its UK inventors.
Geotimes October 2006 Jennifer Yauck	Shifting Winds Churn up Dead Zone This past summer, fishermen off the Oregon coast hauled up their crab pots filled with dead crabs. Scientists say that extremely low levels of oxygen in the area's shallow ocean waters were to blame, and are now trying to understand exactly what drives the phenomenon.
Chemistry World October 1, 2007 Lewis Brindley	Semiconductor Splits Water with Sunlight Scientists in Germany have developed a promising new catalyst that splits water using sunlight -- and stores the hydrogen and oxygen produced.
Chemistry World February 27, 2014 Simon Hadlington	Quantum tunnelling sparks chemistry on cold surfaces Chemistry in deep space could be more diverse than thought after the discovery that larger atoms can quantum tunnel.
Chemistry World May 24, 2013 Jennifer Newton	Releasing reactive oxygen Scientists in Canada have made nanoparticles that release singlet oxygen when a laser beam is shone on them. The nanoparticles could improve the effectiveness of photodynamic therapy, a treatment for some cancers.
Food Engineering June 1, 2005	Let them eat cake A leading supplier of bakery items for military rations is using oxygen sorbents to provide shelf-stable cakes and other baked goods to the military.