Category Archives: earth

Differential Levelling

Differential leveling is a technique used to determine differences in elevation between points that are remote from each other. Differential leveling requires the use of a surveyor’s level together with graduated measuring rods. An elevation is a vertical distance above … Continue reading

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Happiness and Life Satisfaction

Although related, happiness and life satisfaction are not the same things. Happiness is an immediate, in-the-moment experience; although enjoyable, it is ultimately fleeting. A healthy life certainly includes moments of happiness, but happiness alone usually does not make for a … Continue reading

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Some Terms of Well Being

These are some terms related to well being: Health-Related quality of life Well-being Flourishing Positive mental health Optimal health Happiness Subjective well-being Psychological well-being Life Satisfaction Hedonic well-being Some researchers suggest that many of the terms are synonymous, whereas others … Continue reading

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New geochemical tool reveals origin of Earth’s nitrogen: Novel analysis method may also be useful for monitoring volcanic activity

Originally posted on Tallbloke's Talkshop:
https://youtu.be/KS4LZRlgwqY As the video reminds us: Earth’s atmosphere is mostly (78%) nitrogen. Plus about 21% oxygen at sea level, and a few minor trace gases – one or two of which some people like…

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