834 search results

What can Earth tell us about Mars?
Science, Maths & Technology

What can Earth tell us about Mars?

...techniques to improve the efficiency of our DNA extraction. We’re washing the salt out of the sediments using lots of water and then filtering the water to collect as many cells as possible. We’re also using very harsh chemicals to burst open the cells to extract their DNA. We’ve also been able to extract RNA from the Colour Peak samples. This is excellent, as RNA...
Intermediate French: 14 July
Languages

Intermediate French: 14 July

...technique in the next activity, where we have used only monosyllabic past participles ending in ‘-u’. Activité 3 Voici un dialogue entendu le lendemain du quatorze juillet. Traduisez-le en anglais. Faites particulièrement attention aux passés composés donnés en gras. The past participles all come from the infinitives shown beneath the dialogue. PAULE Vous avez vu...
Level 2: Intermediate 10 hrs
Capacity and demand management
Society, Politics & Law

Capacity and demand management

...technique that can be used to analyse local policing demand blends the SARA decision-making model of policing with demand analysis. The example below shows how a demand problem might be broken down into steps: Scanning What are the recurring problems of concern to the public and police? Can we confirm the problem exists? Do we know how frequently the problem occurs?...
Level 1: Introductory 5 hrs
Language and creativity
Languages

Language and creativity

...technique in art. Figure 4, for example, shows a work by the street artist Banksy which uses a similar conceit. Here, again, it is the juxtaposition of form, content and context that creates the effect. This work alludes to the opening sequence of the US animated series The Simpsons, in which the character Bart is found copying out a different sentence at the beginning of...
Level 2: Intermediate 8 hrs
Making creativity and innovation happen
Money & Business

Making creativity and innovation happen

...techniques are important, by themselves they are not enough. For creativity to emerge it is critical that you have the necessary confidence in your own creative capacity. Tom and David Kelley, brothers and pivotal figures in the renowned design and innovation company IDEO, argue that: Most people are born creative. As children, we revel in imaginary play, ask outlandish...
How to learn a language Badge icon
Languages

How to learn a language

...techniques, imagining themselves completing a race, or stepping onto the podium. As Angie LeVan of the Clinical Research Unit at the University of Pennsylvania Abramson Cancer Center explains: Mental imagery impacts many cognitive processes in the brain: motor control, attention, perception, planning, and memory. So the brain is getting trained for actual performance...
Level 1: Introductory 24 hrs
The science of alcohol Badge icon
Science, Maths & Technology

The science of alcohol

...techniques have developed from ancient methods, and how scientists ensure that products are safe to drink. The course also looks at the biological effects of alcohol, and how it affects the human body...In this free course, The science of alcohol, you will learn about the processes involved in the creation of alcoholic drinks – how they are produced, how the wide range...
Level 1: Introductory 24 hrs
Influenza: A case study
Science, Maths & Technology

Influenza: A case study

...technique in which molecules of different sizes move at various rates through a gel support in an applied electric field, thus making it possible to identify specific molecules.) The polymerase chain reaction (PCR) technique is illustrated in Video 2. Polymerase chain reaction, or PCR, uses repeated cycles of heating and cooling to make many copies of a specific region of...
Level 3: Advanced 6 hrs