The appearance of free oxygen in the Earth’s atmosphere led to the Great Oxidation Event. This was triggered by cyanobacteria producing the oxygen which developed into multicellular forms as early as ...
For years, scientists have been trying to emulate photosynthesis, the process by which plants, algae, and some bacteria harness light from the sun to chemically transform water and carbon dioxide into ...
Limnology and Oceanography, Vol. 55, No. 3 (May 2010), pp. 1064-1074 (11 pages) We elucidate the controls on the δ¹ɸO values of microbially produced nitrate by tracking the δ¹ɸO of nitrite and nitrate ...
Why is Christian Science in our name? Our name is about honesty. The Monitor is owned by The Christian Science Church, and we’ve always been transparent about that. The Church publishes the Monitor ...
Recently, a research team led by Prof. KONG Lingtao at the Hefei Institutes of Physical Science (HFIPS) of the Chinese Academy of Sciences (CAS) has prepared a type of hollow amorphous Co/C composites ...
Journal (Water Pollution Control Federation), Vol. 61, No. 8 (Aug., 1989), pp. 1449-1463 (15 pages) Total barrier oxidation ditches (TBODs) have been installed over the past 5 years in the U. S. under ...
Sometimes, less really is more. By removing oxygen during synthesis, a team led by materials scientists at Penn State created ...
Presented at the 2011 International Conference on Hot Isostatic Pressing Kobe, Japan, 12-14 April 2011. Three kinds of TiN porous ceramics with different relative density (SN1: 87 %; SN2: 66 %; SN3: ...
The model suggests that in a billion years, Earth will lose its oxygen, and with that, humans will cease to exist.
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