Evolutionary history of plants seed model is shared by basically all gymnosperms (literally: "naked seeds"), most of which encase their seeds in a woody cone or fleshy aril (the yew, for example), but none of which fully enclose their seeds. The angiosperms ("vessel seeds") are the only group to fully enclose the seed, in a carpel. Fully enclosed seeds opened up a new pathway for plants to follow: that of seed dormancy. The embryo, completely isolated from the external atmosphere and hence protected from desiccation, could survive some years of drought before germinating. Gymnosperm seeds from the Late Carboniferous have been found to contain
Naked yoga Naked yoga Naked yoga (Sanskrit "nagna yoga" or "vivastra yoga") is the practice of yoga without clothes. While many practice naked yoga at home and in nature, there are a growing number of participants in group classes. The practice is gaining popularity, notably in western societies that have more familiarity with social nudity. Naked yoga should be considered in relation to the dress code at yoga courses, varying from different times and yoga directions. Yoga has been practiced naked since ancient times. In the Bhagavata Purana it says: The practice of spiritual nudity is common among Digambara Jains, Aghori sadhus,