The relation of a biological puzzle to the origin of ice-ages and to other phenomena

Details The relation of a biological puzzle to the origin of ice-ages and to other phenomena The relation of a biological puzzle to the origin of ice-ages and to other phenomena

Jan 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987em%26p...37....1h&link_type=abstract

Earth, Moon and Planets, Volume 37, Issue 1, pp.1-15

Mathematics

Logic

2

Scientific paper

When the melanin-producing genes in the human skin are in full working order the melanin production is far greater than it needs to be under present day conditions. The likely correct postulate for explaining this apparent anomaly of an uncaused biological property is that there have been times in the past when the situation was markedly different. The requirement is for a greater penetration of the Earth's atmosphere by serious sunburn radiation shortward of 3000 Å. This requirement demands an absorption at high altitudes of the solar radiation at ≡2000 Å which is at present responsible for the formation of the ozone layer. A distribution of small particles with total mass ≡3×1014grams at atmospheric altitudes above 30 km, the small particles having refractive index ≡1.5 - 0.1i at λ ≅ 2000 Å, meets the necessary conditions.

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