Uticaj UV zračenja na boju kože

Svetska distribucija ljudskih tonova kože odgovara intenzitetu UV zračenja. Na ekvatoru, gde je zračenje najviše, tamna koža štiti od oštećenja zračenja. Na severu, sa druge strane, svetlija koža je korisna. Autor: ZDF/Terra X/Tobias Schultes/Albrecht M. Wendlandt Prevod i sinhronizacija: alugha Kliknite ovde da biste videli još video zapisa: https://alugha.com/TerraX

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