Book review: #RhodesMustFall: Nibbling at Resilient Colonialism in South Africa

Early Literacy in South Africa: the promise of book-sharing

It has been estimated, conservatively, that 200 million young children, predominantly from Asia and sub-Saharan Africa, are failing to achieve their developmental potential as a consequence of poverty. These children are multiply disadvantaged, suffering adverse consequences in terms of their growth, physical health, socioemotional competence, and cognitive skills. While all of these adverse ou...

Keep nibbling at the edges.

Alifelong passion for natural history and an aptitude for chemistry had led me to study for a B.Sc. in biochemistry at University College London (UCL) from 1963 to 1966. It was during this period that the allosteric theory of enzyme regulation was put forward by JacquesMonod, Jean-Pierre Changeux, and Francois Jacob at the Institute Pasteur. This explained how the end products of a biosynthetic...

Cohsasa--nibbling at the health care elephant.

Local Diagnostic Reference Levels for Common Computed Tomography Procedures at a Tertiary Hospital in South Africa

Introduction: An operational computed tomography (CT) scanner is a major source of human exposure to ionizing radiation. Exposure increases the risk of cancer and aplastic anaemia. All radiation exposures should be justified and optimized to meet the clinical objective. In order to avoid the administration of excessive radiation dose to patients, diagnostic reference l...

metallicity of starburst galaxies in chandra deep field south (cdf-s) , at 0.5

چکیده یکی از پارامترهای اصلی در دنبال کردن تاریخچه ی تشکیل ستاره ها و تحول کهکشان ها، مطالعه ی میزان فراوانی عناصر آن ها است. در این پایان نامه برای مطالعه ی همبستگی میان فراوانی فلزی و جرم ستاره ای کهکشان ها، از داده های طیفی 89 کهکشانِ ستاره زا استفاده شده است. طیف ها توسط طیف نگار فورس2 از میدان ژرف جنوبی چاندرا گرفته شده و جابه جایی به سرخ طیف ها همه بزرگتر از نیم و کوچکتر از یک هستند. جر...