The National Geographic Magazine, Volume 191National Geographic Society., 1997 - Geography |
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Page 60
... lichens nes- tled amid the gravel ( right ) . These were " vagrant " lichens , unat- tached and free to be blown about like tiny tumbleweeds . Collecting on snow- A RESEARCH PROJECT SUPPORTED IN PART BY YOUR SOCIETY free ridges , they ...
... lichens nes- tled amid the gravel ( right ) . These were " vagrant " lichens , unat- tached and free to be blown about like tiny tumbleweeds . Collecting on snow- A RESEARCH PROJECT SUPPORTED IN PART BY YOUR SOCIETY free ridges , they ...
Page 63
... lichen substances , these pigments , toxins , and antibiotics have made lichens very useful to people in diverse cultures , espe- cially as a source of dyes and medicines . The warm browns in rugs made by members of the Ramah Navajo ...
... lichen substances , these pigments , toxins , and antibiotics have made lichens very useful to people in diverse cultures , espe- cially as a source of dyes and medicines . The warm browns in rugs made by members of the Ramah Navajo ...
Page 69
... lichens have fared . Lichens act like Lichens : More Than Meets the Eye sponges , taking up pollutants that come their way . By analyzing lichens chemically , scientists can tell what's in the air . Blown off trees in the Pacific ...
... lichens have fared . Lichens act like Lichens : More Than Meets the Eye sponges , taking up pollutants that come their way . By analyzing lichens chemically , scientists can tell what's in the air . Blown off trees in the Pacific ...
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Africa Alaska American Arctic Asia Asst astemizole bearded seal bones British called cetirizine China Chinese Chrysler cisapride clarithromycin CONTRAINDICATIONS David DAVID DOUBILET Delhi delta dingo Director dose drive drug early Editor Explorer feet female fence fish Ford fossils GM Corp hominids Homo erectus Hong Kong Hubble human India island itraconazole John Joseph Rock Kaliningrad ketoconazole Khan Kublai Lake land lichens live look male Manager ment mg/kg/day miles million years ago Mongols Moscow mountain National Forest NATIONAL GEOGRAPHIC SOCIETY Naxi Nile North Ocean omeprazole OnStar paper patients pearls percent PHOTOGRAPHS PRAVACHOL pravastatin PRILOSEC Research river road Robert Rock Russian says scientists Service ship South Soviet species SPORANOX Sri Lanka Tamils terfenadine Tigers timber tion trees tunnel Vice President village wildlife William Yellowstone ZYRTEC