Why isn’t our hair naturally blue?

collections : Animaux, Nature, Corps humain
Сложность:
Posté 30 April 2017
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Durée de la vidéo: 3 Mn. 13 s..
Description
Have you ever dyed your hair toxic colours? Maybe you have thought of why other people do this? Or you keep asking yourself why such colours look unnaturally on a person's head? This video will help you learn where animals get blue colour from, and why a human cannot have naturally blue hair.
Mots recommandés
ability - capacité
cancel out - barrer
a combination - combinaison
common - commun
to create - créer
difficult - difficile
eventually - finalement
exactly - exactement
to fake - truquer
to hide - cacher
huge - énorme
in honor of - en l'honneur de
inside of - à l'intérieur de
instead - plutôt
likely - probablement
lily pad - nénuphar
to match - égaler
nature - nature
a pigment - pigment
race - course
a scientist - scientifique
sex - sexe
sky - ciel
suddenly - soudain
tough - difficile