drgmancm (25)in #science • 7 years agoEvolution of Skin ColorEver wondered why there's this much variation in skin color? I will share my insight and hypothesis... Common…drgmancm (25)in #depression • 7 years agoSeasonal Affective Disorder - Part 1SAD aka Winter Depression is a surprisingly common condition affecting majority of the population often…drgmancm (25)in #permaculture • 7 years agoViticulture in Tropics - Part 1Being obsessed with perennial fruit trees my entire life, training a grapevine to an arbor was my dream. I live in…