Psychiatry and the Human Conditionhttps://www.hedweb.com/bgcharlton/psychhuman.html
selection rewards reproductive success, not happiness. Happiness is - from this perspective - merely the ‘carrot’ which compliments the ‘stick’ of pain - a lure to draw us onwards
Can psychiatry understand what makes us human?
Cheliceratahttps://www.scientificlib.com/en/Biology/Animalia/Arthropoda/Chelicerata.html
sperm into the females' reproductive openings when mating,[2]:571–584 while scorpions' form large claws used for capturing prey.[2]:565–569 Body cavities and circulatory systems A
Chelicerata, Online Biology, Biology Encyclopedia, Science
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