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Archived from my main page each calendar quarter:
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
Scientists are pondering the riddles of the teeth, the mysteries of the mouth, the correspondences between oral health and overall health. The super-organism known as the human body is inhabited by 100 trillion microbes. Within it, the mouth has its own intricate ecological niches: the pockets of the gums, the plaque of the teeth, the soft palate, the tonsils, the saliva. These habitats are rich with microflora that flourish and die, cooperate and compete, and even travel, through subtle mechanisms that are still only beginning to be understood."
source: Mary Otto, in her book, Teeth (The Story of Beauty, Inequality, and the Struggle for Oral Health in America) p.81
- 2nd Quarter 2017
2016
The HST is about the size of a school bus and orbits the our planet about every 97 minutes at 550 kilometres (340 miles) above the surface. Recent estimates, based on the HST deep-space survey, suggest that there may be nearly 2 Trillion galaxies in the Universe - a number that's about a tenfold increase over the previous estimate!
source: NASA
- 4th Quarter 2016
2015
2014
2013
2012
The 2011 average annual concentration of CO2 in the atmosphere (Mauna Loa Observatory) is 391.57
parts per million (ppm). The 2010 average is 389.78 ppm. For the past decade (2002-2011) the average
annual increase is 2.07 ppm per year. The average for the prior decade (1992-2001) is 1.6 ppm per
year. Annual data for 2011 was first posted January 5, 2012, by the National Oceanic and Atmospheric
Administration (NOAA) in the United States. Since the 1958 start of precision CO2 measurements in
the atmosphere, the annual mean concentration of CO2 has increased from one year to the next.
source: co2now.org (July 2012)
- 3rd Quarter 2012
2011
2010
2009
2008
2007
2006
2005
2004
2003
2002
2001
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