woad offered blue and yellow was derived from weld. Plants were soaked in hot water and wool was immersed in the dye bath. Stale urine may have been used as a mordant to fix dyes. Diodorus Siculus ...

DIY natural plant hair dyes offer a healthier and more sustainable alternative to commercial hair dyes. Carrot juice, beet ...

How can I dye textiles naturally? I’ve spent the past year learning how to create custom colors using marigold and coreopsis. I picked these two flowers because of their brilliant colors ...

Sometimes, they're made with entirely plant-based ingredients. To make finding a natural or organic hair dye easier—whether you’ve dyed your hair before or are looking to continue coloring wit ...

npj Science of Plants is an online Open Access journal dedicated to publishing high quality research in both fundamental and translational aspects of plant-related biological science.

Every bite an herbivore takes comes at the expense of a plant. Are plants passive victims or do they actively resist these attacks? Some plants avoid herbivory by decreasing their apparency or ...

A pencil line is drawn, and spots of ink or plant dye are placed on it. There is a container of solvent, such as water or ethanol. A pure substance will only produce one spot on the chromatogram ...

Rangers at Powhatan State Park will lead a workshop on Saturday where attendees will learn to make greeting cards using dye from Virginia’s native plants. From 3 to 4:30 p.m. on Saturday ...

Shoddy welding maintenance work at the Kashiwazaki-Kariwa nuclear power plant in Niigata Prefecture will push back moves to bring the facility back online by many months, perhaps longer.