Why isn’t our hair naturally blue?

Publicado 30 April 2017
Duración del video: 3 Mín.. 13 sec..
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.
Palabras recomendadas
ability - capacidad
cancel out - cancelar
a combination - combinación
common - común
to create - crear
difficult - difícil
eventually - eventualmente
exactly - exactamente
to fake - fingir
to hide - esconder
huge - enorme
in honor of - en honor de
inside of - dentro de
instead - en lugar
likely - probablemente
lily pad - almohadilla de lirio
to match - igualar
nature - naturaleza
a pigment - pigmento
race - raza
a scientist - científico
sex - sexo
sky - cielo
suddenly - de repente
tough - difícil