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On the Trails: Plants that aren't green

Most of us think of plants as being green, at least in summer. The green comes from the pigment chlorophyll, which uses sunlight to knit carbon dioxide and water together, forming carbohydrates that the plant can metabolize...
For natural dyes, look to the yard or kitchen

...With a mordant, sumac fruit yields red pigment and indigo yields its classic shades of...the more finely the more colorful the pigment; berries should be mashed with a potato...longer they are boiled, the lighter the pigment, so for darker shades either add more...
Kenai artist puts new spin on ancient art form

...test the elasticity of a pot of colored pigment.A wall of smell, beeswax and resin...making, Nelson said.The heated wax and pigment can and has been painted on a variety...yet another artist who layers colored pigment in carefully controlled, deep layers...
Orchids in Southeast Alaska

...corals. Both species produce fairly tall flowering stems with multiple flowers, either pink or yellow. Both lack any green pigment, so they cannot produce their own carbohydrates and are therefore dependent on their mycorrhizal associates for nutrients...
Spring on Gold Ridge

...oxygen. However green it may be underneath, it ultimately turns red, from molecules that protect the green, photosynthetic pigment from intense UV radiation. In winter, the alga is dormant in the soil and contains antifreeze to protect it from freezing...
On the Trails: Fall foliage colors the leaves, and less carbohydrate (sugars) passes from the leaves to the rest of the plant. Chlorophyll, the green pigment essential for photosynthesis of carbohydrate, begins to disintegrate. As it breaks down, yellow and orange pigments already...
November First Friday: Art walk features monks, disguise, L-shapes, torn paper

University of Alaska Southeast art professor Alice Tersteeg has been tinkering with handmade, pigment-dyed paper creations for the last decade. But "Paper Pleasures," her new show at Annie Kaill's, marks the first time she's...
This WeeK
Wildlife Notebook: White for winter

...human, hair is white because it lacks pigment. Animals have cells that produce melanin, the natural pigment that gives hair, skin and eyes color...shut off and the fur comes in without pigment. Daylight, not cold weather, triggers...
Orchid variations

...which typically has chlorophyll (green pigment) and synthesizes sugars that the begins! Some orchids have no green pigment, so they can't photosynthesize carbohydrates...nutrients from a tree (which does have green pigment and can synthesize carbohydrates). So...
Ancient art, young artists

...of apprentice fresco artists. The 4- by 8-foot painting of a Juneau jam session is a fresco, an ancient technique where pigment is brushed on to a thick layer of wet plaster. The fresco was designed by Rohrbacher, who worked with the students as part...


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