Abubakarr Koma is keeping alive the centuries-old art of Gara tie-dying, a vibrant tradition that tells stories through intricate patterns and vivid colors.

Here's how natural indigo is still grown and fermented in Japan, despite the fashion industry's dependence on synthetic dyes.

Yellow 5, also known as tartrazine or FD&C yellow #5, is a synthetic yellow food dye suspected of being linked to health problems ranging from allergies to hyperactivity in kids to cancer. It is one ...