InEthiopia,many children are abandoned every year, directly or indirectly, in harsh or relatively safe environments. The problem appears to be more serious in Addis Ababa than in any other urban area of Ethiopia. In this paper, I present five dramatic cases of child abandonment which led to the death of the child, and examine the possible factors that account for this practice. The article is b...

During the "Green Sahara" period (11,000 to 5000 years before the present), the Sahara desert received high amounts of rainfall, supporting diverse vegetation, permanent lakes, and human populations. Our knowledge of rainfall rates and the spatiotemporal extent of wet conditions has suffered from a lack of continuous sedimentary records. We present a quantitative reconstruction of western Sahar...

This article reports on 12 new accelerator mass spectrometry (AMS) dates from the latest phases of the Chalcolithic period occupation (late 5th millennium cal BC) at Teleilat Ghassul, type site for the south Levantine Ghassulian Chalcolithic culture. The new AMS dates from Teleilat Ghassul favor an amendment to a previous suggestion (Bourke et al. 2001), that all significant occupation at the s...

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Abstract Abandonment of agricultural fields triggers the ecosystem recovery in process referred to as secondary succession. The objective this study was find impact succession during 12 years lasting abandonment with loamy sand and sandy loam soils on soil properties, namely organic carbon content, pH, water ethanol sorptivity, hydraulic conductivity, drop penetration time (WDPT), repellency in...