Thomas Edison nu a inventat becul. Istoricii spun ca inventia becului nu ii apartine lui Thomas Edison si au creat o lista cu 22 de inventatori care au realizat ceva ce se aseamana cu becul. Cu totii au venit cu ideea de a produce lumina din electricitate. Totusi, Edison a primit creditele pentru inventia becului datorita unei combinatii a trei factori: un material incandescent eficace, o vidare mai buna a bulbului si o rezistenta mai mare ce a facut ca distributia puterii de la o sursa centralizata sa fie mai fiabila din punct de vedere economic.
Oamenii nu folosesc 10% din creier, ci 100%. Întregul creier al omului este activ tot timpul: neuronii, celulele nervoase implicate în gândire fac mereu câte ceva. Diferitele regiuni ale creierului sunt folosite pentru diverse funcții ale corpului, cum ar fi vederea, auzul, vorbirea și controlul mușchilor.
Marele Zid Chinezesc nu poate fi văzut din spaţiu deoarece construcţia are aceeaşi culoare ca mediul din jurul său
Cameleonii nu îşi schimbă culoarea pentru a se deghiza, potrivindu-se cu mediul. Ei îşi schimbă culoarea pentru a comunica cu alţi cameleoni
Unghiile şi părul nu continuă să crească după ce murim. După ce inima nu mai bate, toate celulele din organism mor.
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