Chemical gardens are tubular structures that consist of inorganic precipitate membranes formed under far-from-equilibrium conditions. Their possible existence in natural geological settings complicates the differentiation between Earth’s earliest microfossils and abiotic as well search for life signatures on other planets. Here, we address question whether laboratory-grown chemical can withstan...

due to structural characteristics and spiritual concepts which are latent inside iranian gardens, it has always drawn attention of domestic and foreign researchers and one of the objectives of these researchers was an attempt to achieve historical garden model in iran which have been modified or subjected to decline. the studies, which have been carried out concerning to iranian historical gard...

Urban gardening is a growing global phenomenon with a positive impact on society. Despite several associated benefits, growing vegetables in urban gardens that are localized in highly polluted areas poses questions about the safety of the produced food. Therefore, the identification of risk factors that result in possible deleterious effects to human health is important for realizing all of the...

Conway’s Game of Life has inspired enthusiasts to search for a wide range of patterns for this classic cellular automaton. One important challenge in this context is finding the smallest Garden of Eden (GoE), a state without a predecessor. We take up this challenge by applying two techniques. First, we focus on GoEs that contain a symmetry. This significantly reduces the size of the search spac...

BACKGROUND Leafcutter ants depend on the cultivation of symbiotic Attamyces fungi for food, which are thought to be grown by the ants in single-strain, clonal monoculture throughout the hundreds to thousands of gardens within a leafcutter nest. Monoculture eliminates cultivar-cultivar competition that would select for competitive fungal traits that are detrimental to the ants, whereas polycultu...

Urban community gardens worldwide provide significant health benefits to those gardening and consuming fresh produce from them. Urban gardens are most often placed in locations and on land in which soil contaminants reflect past practices and often contain elevated levels of metals and organic contaminants. Garden plot dividers made from either railroad ties or chromated copper arsenate (CCA) p...