Latest Breathing gases Stories
Over the past 40 years, researchers have thought that there must have been a small amount of oxygen in the early atmosphere. Where did this abiotic (“non-life”) oxygen come from?
LONDON, Oct.1, 2014 /PRNewswire/ -- The global medical gases and equipment market is estimated to be worth $14,953 million by 2018.
After several years of discussions, researchers from Aarhus University (Denmark), Lund University (Sweden) and Stockholm University (Sweden) have determined that nutrients from the land are the main cause of widespread areas of oxygen depletion.
UC Riverside research team challenges conventional view of a simple two-step rise in early oxygen on Earth; study suggests instead dynamic oxygen concentrations that rose and fell over billions of years
New research from the University of Copenhagen and University of British Columbia (UBC) has revealed that oxygen appeared 700 million years earlier than we previously thought. The findings, published in the journal Nature, raises new questions about the evolution of early life.
An international research group led by biogeochemists at the University of California, Riverside has filled a billion-year gap in our understanding of conditions in the early ocean during a critical time in the history of life on Earth.
- A transitional zone between two communities containing the characteristic species of each.