Category
Humans
Physiology, psychology, and what happens when human biology hits its limits.
FILE 003
Humans10 min read
What If Humans Never Needed Sleep?
Sleep clears metabolic waste from the brain, consolidates memory, and regulates hormones and immune function. A species that never needed it would require an entirely different biology to handle those jobs some other way.
FILE 009
Humans7 min read
What If Humans Could Photosynthesize?
Sunlight-powered nutrition sounds like an elegant fix for hunger, but the math involving skin surface area, solar energy, and photosynthetic efficiency shows why it could only ever be a minor supplement, not a substitute for eating.
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