Christopher Columbus

I believe that there are many herbs and many trees that are worth much in Europe for dyes and for medicines; but I do not know, and this causes me great sorrow. Arriving at this cape, I found the smell of the trees and flowers so delicious that it seemed the pleasantest thing in the world.

Italian Explorer

Phil Dunster

And I think that a lot of people in their 20s go through that thing of, this life that I think that I was about to lead, is that actually nonsense? Is that actually something I want to do?... And so they go traveling, or they have a mad relationship, or they dye their hair or whatever.

Brea Grant

I shaved my head when I was 14 - is that bad? I asked my dad's permission first. He said, 'You're gonna look like a boy.' And I said, 'OK'... then I did it anyway. All through high school, I had a shaved head and I'd dye it crazy colors - it was fun.

American Actress

Haley Lu Richardson

I'm lucky because I had blonde hair for a while for this TV show I was doing - they had me dye my hair blonde - and every audition I was going out for was bleach blonde. The mean girl, the pretty girlfriend, and the dumb cheerleader.

Anne Burrell

I've never been anything than a blond my whole life. There was one time when I dyed the ends pink. My father said if I ever did that again, he'd shave my head and keep me home 'til it grew back.

American Chef

Kate Nash

Hair is so important and emotional. I dyed mine black and blond after a breakup - there's something really powerful about changing your hair when you're in a weird place.

English Musician

Felicity Kendal

When I was much younger, I sometimes felt rejected by feminists because of an image that I sold because it paid the bills. Any fool could tell my hair is dyed.

English Actress

Valeria Mazza

Dyeing my hair has become a kind of addiction. I can't see myself as anything other than blond. Once you go blond, you stay blond forever.

American Model

Sadie Frost

I really fought to make my character not a stereotype. I play a soap star with dyed blonde hair.

Marcus Aurelius

The soul becomes dyed with the color of its thoughts.

Roman Leader

Dyes are used in various industries, like fashion, art, and food production.

Variety of Uses

Different cultures have unique dyeing traditions and may use specific colors for symbolic purposes.

Cultural Significance

Dye often results in a permanent color change, though some may fade over time.

Permanent Change

While hair dye is common, 'dye' as a verb applies to coloring any material.

Not Just For Hair

Methods of dyeing can vary greatly; some require boiling, while others use room temperature.

Process Matters

When dyeing fabrics, consider if the dye is colorfast to avoid the color bleeding in the wash.

Colorfast Concerns

 staying over numba kinds of time said yeah there used to be a lot of research that we know him some of the work they did he's looking at deterrents it bears they tested different ways to scare bears away behavioral studies and bears were marked as you can see there's still some lady Claire old hair dye yes it would mark the Bears with and then they

Churchill Viewing Tower...

 where their decomposition releases methane gas, while their dyes and plastics leach into the soil and groundwater. Some companies are working on solutions here, from using organic cotton to recycling and reusing denim. You can also help reduce the environmental impact of your favorite pants

Why do your jeans wear...

 You can see the hazy stuff in the background. That's mud. That's deep-sea ocean mud, and the bright green dots stained with the green fluorescent dye are real, living microbes. Now I've got to tell you something really tragic about microbes. They all look the same under a microscope,

This deep-sea mystery is...

 microscope fluorescent green dye indicates no antibodies present meaning the bat was free of disease but if the results come back clear the bat has antibodies and strike her nose the bat was exposed to rabies in the recent past this is an important test for us because

Vampire Bats Biting...

 chronic illness was actually a severe under allergy to penicillin as well as some other allergies to gluten to titanium dioxide to food dyes and a mild intolerance to glucose these diagonals was truly empowering and life-saving but

Making food transparent...

 But in bird feathers, melanin isn't simply a dye. It forms hollow nanostructures called melanosomes which can shine in all the colors of the rainbow. To understand how that works, it helps to remember some things about light.

How do we know what...

 They'll inject dyes so the person looks a little more alive -- just resting. Embalming is a cheat code, providing the illusion that death and then decay are not the natural end for all organic life on this planet.

A burial practice that...

 And we can observe this. What I'm going to show you next are two in vitro experiments. This is cultures, identical cultures, of cervical cancer cells. And we've stained these cultures with a green florescent dye

Bill Doyle: Treating...

 the U.S. EPA warns against eating food off of them. Though we still occasionally run into issues with synthetic food dyes, our scientific understanding has helped us prune hazardous colors out of our lives.

History’s deadliest...

 if it was always there -- like a dye that would permeate the whole cloth -- then it would be found all the time, somewhere. We know we're not always angry, always jealous, always generous.