growing season, even in regions where the plants are not normally winter hardy. this means that home gardeners in northern regions can attempt to produce a crop without the need to overwinter plants with special treatment or protection. the recently introduced seed cultivar "imperial star" has been bred...
gold substitution electronics nanowires fusion power biological role in archaea health factors patent claim see also references external links characteristics[ edit ] physical properties[ edit ] in its raw form, tungsten is a hard steel-grey metal that is often brittle and hard to work . if made very pure...
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at the time of killing. staff at slaughterhouses must put a variety of procedures in place. for example, they must carry out regular checks to ensure that animals do not present any signs of consciousness or sensibility between the end of the stunning process and death. if animals are slaughtered without...
individual learning. under these conditions, costly social learning mechanisms are more likely to evolve ( ), and cultural traits are more likely to accumulate complexity and efficiency ( ). thus, the emergence of metagroup social struc- ture might explain why humans, but not other social-learning animals...