Tattoo - maths (3)

Famous quote (24)

Seven Deadly Sins:
1. Wealth without work
2. Pleasure without conscience
3. Science without humanity
4. Knowledge without character
5. Politics without principle
6. Commerce without morality
7. Worship without sacrifice.
(Mahatma Gandhi)
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Metabolic map about the action of the neurotransmitter GABA

Cartoon about pollution

Video about polar and nonpolar molecules