Blood gets its color from hemoglobin, the protein in your red blood cells that carries oxygen throughout your body. When hemoglobin binds with oxygen, it turns bright red.

Period blood can vary in color and relays important information about a person’s health. Normal period blood typically varies from bright red to dark brown or black. Blood or discharge that is ...

I f you love bold red flowers, you're not alone. Red is also a favorite color of hummingbirds, and can help attract them to ...

This is a picture from my local Winco in San Diego and the Sriracha used to be this bright red.” Judging from the picture, ...

The dye, which has been registered with and regulated by the U.S. Food and Drug Administration since 1971, is used by food manufacturers to achieve a bright red color.

What is Red No. 3 and what's on the Red Dye Food list. Red No. 3, also known as erythrosine, is a color additive made from petroleum that gives foods and drinks a bright, cherry-red color.

We're all familiar with bright red fire hydrants, the color of which has become synonymous with them, fire trucks, and the hats many fire chiefs and firefighters wear. You may even know what it ...

Red No. 3 is a color additive made from petroleum that is used to give products a bright, cherry-red color. However, the dye was found to be carcinogenic in high doses but remained approved for ...

The most common leaf colors of fall are red, yellow, and orange. Some tree species can express several of these colors simultaneously as the season progresses. How Fall Leaf Color Develops ...