Pogledajte celu lekciju na ed.ted.com http://ed.ted.com/lessons/what-s-invisible-more-than-you-think-john-lloyd
Gravitacija. Zvezde preko dana. Misli. Ljudski genom. Vreme. Atomi. Toliko toga što je na svetu važno, ne možemo da vidimo. Izuzetna animacija klasičnog TEDTalk govora Džona Lojda iz 2009. koja će vas navesti da se zapitate šta stvarno znate. 
Lekcija: Džon Lojd, animacija: Cognitive Media.

Šta je nevidljivo? Više nego što mislite: Džon Lojd (John Lloyd)

The invisible shapes our world far more than what we can observe. From gravity that binds the universe to the 20,000 genes in the human genome—fewer than in rice—much of what matters eludes our senses. Concepts like time, consciousness, and the very atoms in our bodies are beyond visual grasp and often remain mysteries even to science. Even our own identities are built on shifting, unseen foundations as every cell in our bodies is replaced every seven years.

The Most Vital Forces In Life Remain Unseen

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John Lloyd: Šta je nevidljivo? Više nego što mislite: Džon Lojd (John Lloyd)