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The metagenomics revolution: an introduction
Science, Maths & Technology

The metagenomics revolution: an introduction

...system. Discovering that life can thrive under extreme cold, heat, salinity, pressure, or lack of sunlight shows that life’s limits are much broader than once assumed, expanding the range of environments considered potentially habitable beyond Earth. Extremophiles reveal the mechanisms that allow life to persist under harsh conditions. By studying their metabolism,...
View course The metagenomics revolution: an introduction
Level 1: Introductory 6 hrs
Global challenges in practice: designing a development intervention
Money & Business

Global challenges in practice: designing a development intervention

...system intended to influence events and/or consequences. The term may refer to single activities but often refers to sets of activities organized within a project, program, or instrument. We use the term “development intervention” or simply “intervention” to refer to the activities of a project, program, or instrument in the field of international development....
View course Global challenges in practice: designing a development intervention
Level 2: Intermediate 12 hrs
Can rabies be eliminated from Asia by 2020?
Health, Sports & Psychology

Can rabies be eliminated from Asia by 2020?

...system and causes humans who are infected to hallucinate, become aggressive and even fear water. When someone is bitten, it’s crucial to wash the wound immediately and vaccinate them as soon as possible. But this rarely happens in India. Instead, many people end up being improperly treated – for example, not receiving a full course of vaccinations after exposure....
View article Can rabies be eliminated from Asia by 2020?
Article 10 mins
Afrodite: Untangling the Routes of Black Women’s Hair
Education & Development

Afrodite: Untangling the Routes of Black Women’s Hair

...systems. For instance, during the fifteenth century, African people such as the Wolof, Mende, Mandingo and Yoruba ethnic groups used hairstyles as means to carry messages or as status symbols, such as denoting age, religion, social rank and marital status. One of the unique features of African textured hair is its ability to be sculpted and moulded into various shapes and...
View article Afrodite: Untangling the Routes of Black Women’s Hair
Article 5 mins
Birth of a drug
Science, Maths & Technology

Birth of a drug

...systems are being used in this process to provide suitable leads, by consideration of the shape and electronic properties of the receptor or enzyme involved, and so designing compounds from first principles. The development of doxazosin, as described in the video, can be divided into a number of stages: the medical background; the pharmacological background; the project...
View course Birth of a drug
Level 3: Advanced 4 hrs
Effects of pollutants on the aquatic environment
Nature & Environment

Effects of pollutants on the aquatic environment

...system. Nitrites combine with haemoglobin in the bloodstream, preventing it from carrying out its normal function of combining with oxygen and carrying it around the body. This can result in a serious, though rare, condition called methaemoglobinaemia (‘blue baby syndrome’), which can be fatal (Skipton and Hay, 1998). Ingestion of nitrate and nitrite by people with a...
View course Effects of pollutants on the aquatic environment
Level 3: Advanced 3 hrs
Understanding service improvement in healthcare
Health, Sports & Psychology

Understanding service improvement in healthcare

...systems may be conceived of as a product, a whole package of skills, know-how, problem solving, needs meeting, priority-determining activity, one that people feel passionate about (hence recurring debates on any changes to the way in which the service is conceived or delivered). National health services in countries like Belgium, France, Germany, Sweden and the United...
View course Understanding service improvement in healthcare
Level 3: Advanced 10 hrs
What is a metal?
Science, Maths & Technology

What is a metal?

...system. At high temperatures (such as under a flame), electrons in the metal atoms will absorb heat energy and be promoted to higher energy levels. [Described image] Figure 7 (a) An electron jump from shell n = 2 to n = 3 is shown by the red arrow. (b) The electron jumps to a higher electron shell further away from the nucleus. Note that energy levels are not evenly...
View course What is a metal?
Level 1: Introductory 3 hrs