Word: soiling
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...extended African family is another case in point that has also contributed to stagnating our economy. There are tribal wars, and conflicts that exist on to this day. At this time the natural resources of Africa were still buried in the soil. The tribes had not mastered their environments as yet to become acutely aware of rich mineral deposits. As a result the natural resources of Africa were still virgin forests. This was never a cohesive society but that of fragments...
...legislative and executive councils were replaced by parliaments. Expect for southern African and some few countries, most of the leaders were African. Did the African independence mean the death of colonialism and imperialism? The rushing tide of colonialism and imperialism that overflooded the African soil brought immense devastation to the continent and the people. Men and women, young and old were swept away by the colonial flood. Some drowned and those Africans who survived the flood have still not recovered from the trauma. Sacred places were ruined and some annihilated for good. The strong men were castrated; clans divided. Tribes...
...Leakey, In 1972, Bernard Ngeneo, a Kenyan member of Leakey's fossil-hunting team, spotted a few scraps of bone exposed by erosion in sandy sediments in a steep gully near Lake Turkana's eastern shore. Working carefully, the Leakey team sifted scores of additional fragments out of the soil, then turned them over to Meave Leak ey, a paleontologist, and Anatomist Bernard Wood for assembly. As the last pieces of the six -week reconstruction job were put in place, the team mem bers found themselves staring into the empty sockets of a highly evolved hominid. The skull, called...
...clues to man's past are chiefly fossils, a farrago of frequently undecipherable-and occasionally contradictory-bits of evidence that often raise more questions than they answer. Fossils, the souvenirs of ages gone by, have survived through a still incompletely understood process whereby minerals from the soil infiltrate and gradually replace the very molecules of bone or other hard tissues of an organism, leaving its form and many features preserved...
Interpreting these finds requires even more skill. The age of a fossil can often be determined by analyzing the layer of rock or soil in which it was found and determining, often by the so-called potassium-argon method, just how old the layer is. Interpreting the messages of the fossil is usually more difficult. ; The first step in studying a fossil, ; which is often fragmented, is to separate -it from its rock or soil matrix. Next the ! fragments are assembled, a task considerably harder than putting together a jigsaw puzzle with pieces all the same color...