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  2. Edible lichen - Wikipedia

    en.wikipedia.org/wiki/Edible_lichen

    Although there are many lichen species throughout the world, only a few species of lichen are known to be both edible and provide any nutrition. [6] Two problems often encountered with eating lichens is that they usually contain mildly toxic secondary compounds, and that lichen polysaccharides are generally indigestible to humans. Many human ...

  3. Ethnolichenology - Wikipedia

    en.wikipedia.org/wiki/Ethnolichenology

    Ethnolichenology is the study of the relationship between lichens and people. Lichens have and are being used for many different purposes by human cultures across the world. The most common human use of lichens is for dye, but they have also been used for medicine, food and other purposes.

  4. Lichen - Wikipedia

    en.wikipedia.org/wiki/Lichen

    A lichen (/ ˈ l aɪ k ən / LIE-kən, UK also / ˈ l ɪ tʃ ən / LI-chən) is a hybrid colony of algae or cyanobacteria living symbiotically among filaments of multiple fungi species, along with yeasts and bacteria [1] [2] embedded in the cortex or "skin", in a mutualistic relationship.

  5. Why lichens are more than just a splash of green on tree ...

    www.aol.com/why-lichens-more-just-splash...

    One reason the greenshield lichen can be more commonly found than other lichen species is because it is relatively tolerant of pollution. Lichens are often used to monitor air quality.

  6. Cladonia rangiferina - Wikipedia

    en.wikipedia.org/wiki/Cladonia_rangiferina

    Cladonia rangiferina, also known as reindeer cup lichen, [2] reindeer lichen (cf. Sw. renlav) or grey reindeer lichen, is a light-coloured fruticose, cup lichen species in the family Cladoniaceae. It grows in both hot and cold climates in well-drained, open environments. Found primarily in areas of alpine tundra, it is extremely cold-hardy.

  7. Scientists Link Popular Drink With Over 330,000 Deaths a Year

    www.aol.com/scientists-popular-drink-over-330...

    “The findings emphasize the urgent need for public health measures aimed at reducing sugary drink consumption, particularly in regions and subpopulations with the highest-burden — like ours ...

  8. Lichenology - Wikipedia

    en.wikipedia.org/wiki/Lichenology

    Lichens as a group have received less attention in classical treatises on botany than other groups although the relationship between humans and some species has been documented from early times. Several species have appeared in the works of Dioscorides , Pliny the Elder and Theophrastus although the studies are not very deep.

  9. Here's why putting lemon in your drink is a bad idea - AOL

    www.aol.com/lifestyle/2017-09-26-heres-why...

    Take it from Clemson University food scientists who studied drink garnishes. Lemons will leave a bad taste in your mouth. We're talking about germs. Wet lemons absorb bacteria 100 percent of the time.