News tagged with cycle

How does soil store CO2?

Global CO2 emissions continue to rise—in 2012 alone, 35.7 billion tons of this greenhouse gas entered the atmosphere. Some of it is absorbed by the oceans, plants and soil. They provide a significant reservoir ...

Jan 08, 2014 3 / 5 (2) 0 | with audio podcast

Four degree rise will end vegetation 'carbon sink'

Latest climate and biosphere modelling suggests that the length of time carbon remains in vegetation during the global carbon cycle - known as 'residence time' - is the key "uncertainty" in predicting how Earth's terrestrial ...

Dec 16, 2013 3.6 / 5 (19) 28 | with audio podcast

Aging cells unravel their DNA

Senescent cells, which are metabolically active but no longer capable of dividing, contribute to aging, and senescence is a key mechanism for preventing the spread of cancer cells. A study in The Journal of ...

Dec 16, 2013 5 / 5 (1) 0