I Want to Be Beautiful!

You know it isn\u27t gambling when you bet on a sure thing, and I am offering to bet you a new hat that your father has a better complexion than you have. That\u27s such a sure thing, that if you will all wager with me, I will win so many more times than I lose that I shall never be able to wear all my surplus hats

Dan Dan Danuel / music by Ed Rogers; words by Ed Rogers

Cover: drawing of an African American male wearing a tuxedo; description reads A Crazy Coon Concoction; Publisher: F. B. Haviland Pub. Co. (New York)https://egrove.olemiss.edu/sharris_b/1044/thumbnail.jp

I\u27ve Said My Last Farewell (Toot-Toot-Good-Bye) / music by Fred Fisher; words by Ed Rose

Cover: caricature drawing of an African American male waving goodbye to an African American female, as his train moves through a blizzard; photo inset of singer Cordella Mitchell; Publisher: Helf and Hager Co. (New York)https://egrove.olemiss.edu/sharris_b/1068/thumbnail.jp

Infection of Oesophagostomum columbianum in Small ruminants of the Nigerian Sahel Region and its Economic Importance

Nigerian Veterinary Journal, Vol. 32(3): 2011; 162 - 16

Chlamydia trachomatis IgG antibodies seroprevalence among students in two tertiary institutions in Anambra state, Nigeria: a comparative study

Chlamydia infection is a common sexually transmitted infection (STI) in humans caused by the bacterium Chlamydia trachomatis. This study assessed the seroprevalence of Chlamydia trachomatis antibodies among students in two tertiary institutions in Anambra State, Nigeria. It was a comparative cross-sectional survey using enzyme immunoassay kits for the determination of IgG class antibodies, while the multistage sampling technique was used in the selection of participants for the study. The overall prevalence of Chlamydia trachomatis antibodies observed in this survey was 14.3%, which was higher among students from the University (21.6%) than their counterparts from the College of Education (7.4%) (χ2=5.89, df=1p<0.015). Factors found to have significant effect on the seroprevalence of Chlamydia trachomatis in both institutions were: prior sexual exposure (p<0.05); unprotected sexual intercourse in the last one year (p<0.05); multiple sexual partners in the last one year (p<0.05); and presence of symptoms suggestive of STI (p<0.05). Among students in the College of Education, the place of residence significantly affected Chlamydia trachomatis seroprevalence with a preponderance towards students living off-campus (χ2=4.00, df-1, p<0.05). Hence, there is need to institute appropriate prevention and control measures against the transmission of the disease especially among those at risk of contracting the disease.Keywords: Chlamydia trachomatis, seroprevalence, sexual behaviour, students, tertiary institutions

Estimating internationally imported cases during the early COVID-19 pandemic

Early in the COVID-19 pandemic, predictions of international outbreaks were largely based on imported cases from Wuhan, China, potentially missing imports from other cities. We provide a method, combining daily COVID-19 prevalence and flight passenger volume, to estimate importations from 18 Chinese cities to 43 international destinations, including 26 in Africa. Global case importations from China in early January came primarily from Wuhan, but the inferred source shifted to other cities in mid-February, especially for importations to African destinations. We estimate that 10.4 (6.2 - 27.1) COVID-19 cases were imported to these African destinations, which exhibited marked variation in their magnitude and main sources of importation. We estimate that 90% of imported cases arrived between 17 January and 7 February, prior to the first case detections. Our results highlight the dynamic role of source locations, which can help focus surveillance and response efforts

Feasibility of MHD submarine propulsion

This report describes the work performed during Phase 1 and Phase 2 of the collaborative research program established between Argonne National Laboratory (ANL) and Newport News Shipbuilding and Dry Dock Company (NNS). Phase I of the program focused on the development of computer models for Magnetohydrodynamic (MHD) propulsion. Phase 2 focused on the experimental validation of the thruster performance models and the identification, through testing, of any phenomena which may impact the attractiveness of this propulsion system for shipboard applications. The report discusses in detail the work performed in Phase 2 of the program. In Phase 2, a two Tesla test facility was designed, built, and operated. The facility test loop, its components, and their design are presented. The test matrix and its rationale are discussed. Representative experimental results of the test program are presented, and are compared to computer model predictions. In general, the results of the tests and their comparison with the predictions indicate that thephenomena affecting the performance of MHD seawater thrusters are well understood and can be accurately predicted with the developed thruster computer models

Cosmic-ray strangelets in the Earth's atmosphere

If strange quark matter is stable in small lumps, we expect to find such lumps, called ``strangelets'', on Earth due to a steady flux in cosmic rays. Following recent astrophysical models, we predict the strangelet flux at the top of the atmosphere, and trace the strangelets' behavior in atmospheric chemistry and circulation. We show that several strangelet species may have large abundances in the atmosphere; that they should respond favorably to laboratory-scale preconcentration techniques; and that they present promising targets for mass spectroscopy experiments.Comment: 28 pages, 4 figures, revtex

Cooling our communities: A guidebook on tree planting and light-colored surfacing

This book is a practical guide that presents the current state of knowledge on potential environmental and economic benefits of strategic landscaping and altering surface colors in our communities. The guidebook, reviews the causes, magnitude, and impacts of increased urban warming, then focuses on actions by citizens and communities that can be undertaken to improve the quality of our homes and towns in cost-effective ways