News tagged with oxygen levels

Related topics:

Ocean 'dead zones' a growing disaster for fish

Falling ocean oxygen levels due to rising temperatures and influence from human activities such as agrochemical use is an increasingly widespread problem. Considering that the sea floors have taken more than 1,000 years to recover from past eras of low ox ...

dateApr 09, 2015 in Earth Sciences
shares76 comments 2

Cell behaviour in low oxygen conditions mapped

(Phys.org) —Research at the University of Liverpool has explained how cells behave when placed in a low oxygen environment, a development that could have implications for cancer patients and other serious ...

dateFeb 19, 2014 in Biochemistry
shares0 comments 0

Greenhouse gases from farmland underestimated

(Phys.org)—Changes in agricultural practices could reduce soil emissions of the greenhouse gas nitrous oxide and the atmospheric pollutant nitric oxide, according to a new study by scientists at the University of California, ...

dateApr 02, 2013 in Environment
shares0 comments 0

Atmospheric carbon levels nearing historic threshold

(Phys.org) —For the first time in human history, concentrations of the greenhouse gas carbon dioxide (CO2) could rise above 400 parts per million (ppm) for sustained lengths of time throughout much of the Northern Hemisphere ...

dateApr 24, 2013 in Environment
shares0 comments 52

Study helps prevent rhino deaths during relocation

Wildlife experts lose one to two black rhinoceros each year from anesthesia complications when they capture and relocate the animals. That's 1 to 2 percent of the black rhinos that are moved annually, but ...

dateAug 15, 2014 in Ecology
shares0 comments 0

Taking X-rays of CO2

As CO2 levels in the Earth's atmosphere top 400 parts per million, options such as storing the greenhouse gas in porous sandstone rock formations found in abundance on the sea floor are of increasing interest. ...

dateMay 14, 2013 in Environment
shares0 comments 0