"If I have seen further, it is by standing upon the shoulders of giants" -Sir Isaac Newton Birth and death processes and branching processes are areas of stochastic processes that can be applied to a multitude of elds ...

With the evolution and the intensification of gentrification, its once clear-cut ties to displacement have been obscured. Displacement is now often denied and contested in the literature and a number of recent studies have ...

Phytoremediation using Tamarix on contaminated mine sites in South Africa has been common practice for over a century. The use of exotic Tamarix species for phytoremediation has resulted in the spread of Tamarix as an alien ...

Urban food security has long been viewed as secondary to rural food security in South Africa. With the migration of the large numbers of people from rural to urban settings, it has become crucial to place more focus on ...

Trimethoprim is a broad-spectrum antimicrobial agent frequently used either in combination with sulphamethoxazole (cotrimoxazole) or alone in the treatment of urinary and respiratory tract infections. Since the introduction ...

Sonicates derived from Mycobacterium tuberculosis suppressed lymphocytes proliferation. Pulsing of monocytes with mycobacterial sonicates resulted in the release of high molecular weight lipids. Both these lipids and those ...

Urbanisation, urban sprawl and loss of biodiversity in urban environments are major phenomena of the 21st Century cities and towns in both developing and developed countries. A study of the City of Tshwane (CoT), South ...

Parabolic trough solar collectors (PTSC) are currently the most mature solar collecting technology, applied commercially for electricity generation. High input temperature in power plants are desired for improved efficiency ...

Future climate change scenarios predict that many arid and semi-arid ecosystems within southern Africa, will get warmer and drier with increased frequency of droughts. Although the effects of climate change may only be ...

Rural households in many developing countries face multiple challenges, including a lack of resources, food insecurity and poverty. Climate change threatens to compound existing challenges. Small-holder farming is particularly ...