Tracing the geological history of spring rains: Why they diminish in North America and emerge in East Asia
In ancient China, spring rains were called "as precious as oil" for their vital role in nature's spring revival. Today, a unique climate phenomenon known as "spring persistent rainfall" (SPR) prevails ...
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Spotlight on actinic keratoses (also known as “sunspots”)
Frost CA, Green AC, Williams GM .The prevalence and determinants of solar keratoses at a subtropical latitude. Br J Dermatol. 1998 Dec;139(6):1033-9 10. Salasche SJ.Epidemiology of actinic ...