3,121 search results

A brief history of evolution
History & The Arts

A brief history of evolution

...work of Anaximander and Empedocles. Anaximander proposed that animals could be transformed from one kind to another, and Empedocles speculated that they could be made up of various combinations of pre-existing parts. However, evolutionary theories were subsequently prevented from developing and challenging the belief of special creation for some fifteen centuries, due to...
Exploring the English language
History & The Arts

Exploring the English language

...worked out that any word which occurs within that particular context (a -and…) must be a noun. In other words, you've made the identification on the grounds of the function rather than the form of the word. This is usually the most dependable way of making such an identification, since a single form, such as holiday, can behave as a number of different word classes...
Level 2: Intermediate 9 hrs
Intermediate Spanish: Understanding spoken Spanish
Languages

Intermediate Spanish: Understanding spoken Spanish

...works helps you build up your understanding, but your own language(s) and your knowledge of other languages can also be extremely helpful...Intermediate Spanish: Understanding spoken Spanish: 3.1 Recognising cognates - Box 3: Using cognates When watching videos in Spanish, you will recognise some words or phrases because they are similar to the ones used in your own...
A short introduction to the English language
Languages

A short introduction to the English language

...work together and shape the society they were living in. Five thousand years ago, writing was invented. This revolutionised the way we record history and pass knowledge on from generation to generation. But what exactly is language? By the age of three, almost all children have an expert knowledge of how to use it, but a knowledge of precisely what constitutes the...
Environmental management and organisations
Nature & Environment

Environmental management and organisations

...working or cultivation of land, in particular, control of a forest, environment or nature reserve, and, over time, has been extended to include maintenance, conservation and encouragement of natural resources, such as game, fish and wildlife. As with ‘environment’, you will encounter several uses and meanings of ‘management’. In this free course, ‘management’...
Digital forensics
Science, Maths & Technology

Digital forensics

...works in practice. It will introduce you to the world of digital forensics, that is, applying forensic science to the digital artefacts that we create every day through our interactions with computers, mobile phones and the unseen objects around us that encompass the so-called ‘internet of things’. This OpenLearn course provides a sample of postgraduate study in...
Level 3: Advanced 8 hrs
Data analysis: visualisations in Excel
Science, Maths & Technology

Data analysis: visualisations in Excel

...working under pressure in a professional environment. Some shortcut keys are listed below. Try some of these out while reading the list. Table 1 Navigating inside and between worksheets Arrow keys Move around the spreadsheet. Page Down/Page Up Move screen down or up. Ctrl + Arrow keys Move to the edge of a region. This is useful for navigating large blocks of data,...
Introduction to Planetary Protection
Science, Maths & Technology

Introduction to Planetary Protection

...working definition for life: ‘a self-sustaining chemical system capable of Darwinian evolution’. Darwinian evolution is a scientific theory proposed by Charles Darwin in the 19th Century. It explains how species change over time through a process of natural selection in which they adapt to their changing environment so that they can survive and reproduce. NASA’s...