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CO 39. Figure 39.2a. Figure 39.2b. Figure 39.3a. Figure 39.3b. Figure 39.3c. Figure 39.4ab. “ignoranuts et ignorabinuts” “ignoramus et ignorabimus”. The seven world riddles: 1. the ultimate nature of matter and force 2. the origin of motion, 3. the origin of life,
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“ignoranuts et ignorabinuts” “ignoramus et ignorabimus” The seven world riddles: 1. the ultimate nature of matter and force 2. the origin of motion, 3. the origin of life, 4. the "apparently teleological arrangements of nature," not an "absolutely transcendent riddle," 5. the origin of simple sensations, "a quite transcendent" question, 6. the origin of intelligent thought and language, which might be known if the origin of sensations could be known, and 7. the question of freewill Emil du Bois-Reymond
Neurotoxins: Tetrodotoxin from pufferfish Na+ channel Saxitoxin that causes the “red tide” K+ channel Dendrotoxin from black mamba Na+ channel
Mimicker: • Opioids • Strychnine • Nicotin • Blocker: • LSD • Isoproterenol • Increase / decrease release: • Amphetamine (Norapinephrine) • Leva Dopa • Increase / decrease reuptake: Prozac • Increase / decrease digestive enzyme: Epinine