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An introduction to exoplanets Badge icon
Science, Maths & Technology

An introduction to exoplanets

...careful about conclusions such as those above. The average density of a planet might not tell you what the planet is made of. It is possible to imagine a planet with an iron core surrounded by hydrogen/helium gas, which averages out to exactly the density of rock. In this case, the conclusion that the planet is composed of rock would be completely wrong. From the average...
View course An introduction to exoplanets
Level 1: Introductory 24 hrs
Personal branding for career success Badge icon
Money & Business

Personal branding for career success

...care must be taken to ensure that the process doesn’t go too far, ending with you presenting yourself in an overly polished, corporate way that doesn’t truly represent what you have to offer. Transcript This free badged course, Personal branding for career success, will help you to pick your way through the concept of personal branding, developing and refining your...
View course Personal branding for career success
Level 1: Introductory 24 hrs
Understanding water quality
Nature & Environment

Understanding water quality

...adult mosquito hatches after a period of pupation and can transmit diseases such as malaria. Non-pathogenic bacteria are also part of the aquatic system. One such bacterium, Escherichia coli (E. coli), has various strains, most of which are non-pathogenic and exist in human and animal intestines in a symbiotic relationship, making substances needed by humans and animals....
View course Understanding water quality
Level 2: Intermediate 10 hrs
Fire ecology
Science, Maths & Technology

Fire ecology

...adult beetles have laid their eggs on trees killed by fire. It also nests in trees recently killed by fire (Collard, 2015)...Fire ecology: 3.3 Morphological traits for detecting fire - An interesting example of a morphological trait in animals that may be adaptive in fire-prone habitats is the presence of fire detectors in a number of insect species. The pyrophilic...
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Level 2: Intermediate 4 hrs
Approaches to software development
Science, Maths & Technology

Approaches to software development

...care? b.In which of the activities in Figure 5 would you expect to do your configuration management during a project? c.Why are there additional risks when developing large projects? d.What is added to a development process with the introduction of risk management? Answer a.Through specialisation, a software development company can foster experience in a given domain,...
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Level 3: Advanced 9 hrs
Network security
Digital & Computing

Network security

...careful selection and screening procedures are needed. At the appointment stage references are usually requested and other checks made on potential employees, sometimes using ‘positive vetting’ procedures for sensitive appointments. In terms of day-to-day activities, a need-to-know policy might be followed to ensure that information is not needlessly disseminated...
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Level 3: Advanced 25 hrs
John Webster, The Duchess of Malfi
History & The Arts

John Webster, The Duchess of Malfi

...care in choosing his chief courtiers: see that they bee of a good fame and without blemish: otherwise, what can the people thinke? but that yee have chosen a companie unto you according to your owne humour, and so have preferred these men for the love of their vices and crimes that ye know them to be guyltie of … And nexte, see that they be indued with such honest...
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Level 2: Intermediate 12 hrs
Listening for form in popular music
History & The Arts

Listening for form in popular music

...careful layering of new and repeated material at the opening of the song. At the same time, a new musical process occurs across the elements at the end of the song. The music gradually increases in intensity: we hear more of the backing singer’s high falsetto vocal parts, the tambourine and trumpet parts become more prominent, and the drum part gets louder and more...
View course Listening for form in popular music
Level 2: Intermediate 10 hrs