Plastics are one of the largest sources of pollution on Earth, lasting for years on land or in water. But a new type of ...

By adding citric acid and squid ink to a cellulose-based polymer, researchers created a variety of structurally colored ...

The FDA action is in line with US Department of Health and Human Services Secretary Robert F. Kennedy, Jr.’s priority to work with industry to phase out the use of all synthetic, petroleum-based dyes ...

The U.S. Food and Drug Administration (FDA) has approved the use of gardenia (genipin) blue as a color additive in a range of food products, marking the fourth ...