endocrine1
This video The human endocrine system  is targeted at the South African Grade 12 CAPS syllabus, STRAND 2:LIFE PROCESSES IN PLANTS AND ANIMALS, TOPIC: Human endocrine system. It introduces the human endocrine system, illustrates the location in the body, and introduces the idea of hormones. It is one of a […]

The human endocrine system


homeostasis2b - 3
This video was made for Matric revision, covering the topic Human homeostasis: Clarifying the role of the nephron Hopefully this is helpful in your revision.   Watch a more detailed video here.  It is more detail than you need to understand for Matric, but it may help with comprehension.   […]

Human homeostasis: Clarifying the role of the nephron


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This video was made for Matric revision, covering the topic Human homeostasis: Part 3 – Regulation of carbon dioxide Hopefully this is helpful in your revision.   Sorry, no script for this one, I didn’t use a script. Please follow and like:

Human homeostasis: Part 3 – Regulation of carbon dioxide



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This video was made for Matric revision, covering the topic Human homeostasis: Part 2, water, salts Hopefully this is helpful in your revision.   SLIDE 1 Hello, I am Dr Derek Keats, a former professor of biology, and I am continuing with you on the topic of homeostasis. In this […]

Human Homeostasis: Part 2, water, salts


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This video was made for Matric revision, covering the topic Human homeostasis: part 1 – Negative feedback, Glucose regulation Thermoregulation  Hopefully this is helpful in your revision.         SCRIPT SLIDE 1 Hello, I am Dr Derek Keats, a former professor of biology, and I have a new […]

For the Matrics: Homeostasis 1 – constant internal environment


Selection_084
This is the presentation I gave to DBE workshop in November last year, with the recommendations of the Free and Open Source community. All recommendations were ignored, and they went ahead with their insane decision. This is still relevant today. Sigh…. in the Zuma years, we have lost our national […]

The DBE: providing an excellent example of a bad example ...



delphi
Last year, the DBE announced that it would only examine the CAT curriculum using Microsoft Office,  and the IT curriculum using Delphi. Many of us were up in arms, seeing this correctly as effectively banning Free and Open Source Software in schools. In late 2014, there was a workshop at […]

Department of Basic Education: the lazy, incompetent way to do ...


It is interesting how people, via the global social media, have responded to the poaching of Cecil the lion from Hwange National Park in Zimbabwe. According to the BBC and several other reputable sources, Walter J Palmer, a dentist from from Minnesota in the USA, was the perpetrator of the […]

If you shoot a lion, you are responsible for your ...


Thought for the day
May you find peace and happiness in the real world through reason and science. May your life be free from belief without evidence,and may you discover that reality is more inspiring than all gods ever invented by humans.   Please follow and like:

Thought for the day July 26, 2015



Payment Blade at Adorabelle shop
I don’t usually talk about my the work I do. Partly because we are startup and partly because, well, I don’t generally talk about the work I do anyway. I never really have done so. But today I want to. However, for the past three years I have been working […]

Three years with thumbzup – innovation up close and personal