180 search results

The science of nuclear energy
Science, Maths & Technology

The science of nuclear energy

...chemistry, and chemistry is all about the interactions of the electrons of the atom, not the nuclei. The number of electrons in a neutral atom is always the same as the number of protons in its nucleus. You may be wondering what role neutrons play and you’ll find that out in the next section...Week 1: Into the atom: 1.1.1 Isotopes - So, the properties of a given element...
Level 1: Introductory 12 hrs
Medicine transformed: on access to healthcare
History & The Arts

Medicine transformed: on access to healthcare

...chemistry of this wonder drug but it was a derivative of picric acid and quite harmless when well diluted and used as a bitter tonic. (Porter, 1999, p. 196) Such medicines seem little different to patent medicines, which doctors so frequently condemned. [Figure 9] Figure 9 While contemporary commentators (as well as historians) expressed concern about the poor standards...
Emotions and emotional disorders
Health, Sports & Psychology

Emotions and emotional disorders

...chemistry is affected by sunlight exposure...Emotions and emotional disorders: 3.3 Diagnosing major depression (MD) - Between ordinary low mood and serious depression lie a range of depressive experiences of varying degrees of severity – that is, there is a continuum. One important issue for diagnostic schemes is whether to draw a line between ‘ordinary sadness’ and...
Level 2: Intermediate 6 hrs
Transport and Sustainability
Science, Maths & Technology

Transport and Sustainability

...chemistry to Volkswagen for this elegant method of ‘solving the problem of excessive automobile pollution emissions’. The effect on the ‘green credentials’ of diesel cars has been considerable with calls for them to be banned from many European cities. The scandal has seriously assisted the move from fossil fuelled to electric cars. Activity 3 Timing: 15 minutes A...
Level 2: Intermediate 12 hrs
Challenging ideas in mental health
Health, Sports & Psychology

Challenging ideas in mental health

...chemistry – has been a smashing success. (Shorter, 1997, p. vii) Perhaps the most controversial aspect of mental health services and their relationship to business is the role of major companies which manufacture and market drugs...Challenging ideas in mental health: 3.2.1 A conflict of interest - One of the difficulties of the involvement of drug companies in the...
Blood and the respiratory system
Science, Maths & Technology

Blood and the respiratory system

...chemistry, the ⇌ arrow represents a reversible reaction, meaning it can go in the right or the left direction. In this case, adding more CO2 will push the reaction to the right and generate more H+ and HCO3− ions. H+ ions decrease the pH of a solution (make it more acidic) whereas HCO3− ions increase the pH and make it more basic. The reversible nature of this...
Level 2: Intermediate 10 hrs
Microgravity: living on the International Space Station Badge icon
Science, Maths & Technology

Microgravity: living on the International Space Station

...Chemistry, Quantum Physics and even banking and security! There will be interviews with several scientists along the way. But what about the cost of the ISS? Do you think that it is justified? Finally, could you be an astronaut or a scientist?! Transcript Enrolling on the course will give you the opportunity to earn an Open University digital badge. Badges are not...
The science of nutrition and healthy eating Badge icon
Health, Sports & Psychology

The science of nutrition and healthy eating

...chemistry and physics as well as giving some insight into healthier eating. Reading food labels, choosing healthier foods, hydrating appropriately and understanding how we taste food will allow you to be more informed about the choices you make about the food you eat...Are we really what we eat? How do we know what is in our food? Does it need to be difficult to follow a...