1,371 search results

Evolutionary tree of mammals
Nature & Environment

Evolutionary tree of mammals

...analysis to work out which mammals are most closely related to each other appreciate the importance of bringing together evidence from different sources...School activities: Evolutionary tree of mammals: 1 Natural groups - Darwin made extensive observations on a great many creatures, including mammals, and noticed that species fell into natural groups, e.g. lions, tigers...
Level 1: Introductory 5 hrs
Studying mammals: Plant predators
Nature & Environment

Studying mammals: Plant predators

...Analysis of Vertebrate Structure, copyright © 1974, John Wiley & Sons, Inc. This material is used by permission of John Wiley & Sons, Inc.; Figure 2b: adapted from: Courtesy of Caroline Pond © Figure 2a: adapted from: Hildebrand, M. (1974) Analysis of Vertebrate Structure, copyright © 1974, John Wiley & Sons, Inc. This material is used by permission of John Wiley &...
Level 1: Introductory 10 hrs
Seeing institutions in different ways
Society, Politics & Law

Seeing institutions in different ways

...analysis is needed to address fully the ‘Who’ question and bring out the interests involved more effectively. The technique does, though, provide one means of interrogating particular processes in a relatively structured, systematic fashion. And in its simplicity it can generate ‘awkward questions’, questions that get under the surface of a process or way of...
Art and the Mexican Revolution
History & The Arts

Art and the Mexican Revolution

...analysis of Kahlo’s more subjectively oriented painting, as a counterpoint to the monumental public art of her husband. Here you will see that it is extra-artistic factors that all too often determine the critical reputations of artists from the past in the here and now. This OpenLearn course is an adapted extract from the Open University course A344 Art and its global...
Level 2: Intermediate 7 hrs
Blood and the respiratory system
Science, Maths & Technology

Blood and the respiratory system

...data, watch the video in the Introduction tab of the spirometer to familiarise yourself with the application. Research studies that look at relationships between different groups of people can be categorised into cross-sectional or longitudinal studies. Cross-sectional studies compare different groups of people at one moment in time. Longitudinal studies analyse the same...
Level 2: Intermediate 10 hrs
Presenting information
Digital & Computing

Presenting information

...data in Table 1 is expressed in percentage form, but, if we know how many people were interviewed in the survey, we can work back from the percentage to find the actual number. Suppose 1700 people are interviewed in a survey and 56% of them say they have used the internet in the last 3 months. How many people does 56% represent? We can find out as follows. First the...
Level 1: Introductory 3 hrs
Additive manufacturing
Science, Maths & Technology

Additive manufacturing

...data is used to create a file with stereolithography data (an STL file). STL files were originally implemented in software created by a company called 3D Systems. The company needed to provide its RP machines with a digital representation of each layer to be added. For the purpose of this course, a knowledge of the intricacies of the STL file format is not...
Level 3: Advanced 8 hrs
Introduction to Planetary Protection
Science, Maths & Technology

Introduction to Planetary Protection

...data they generate – are informed by investigations here on Earth where life is ubiquitous. Studying the microbes that inhabit extreme environments on Earth – those with extremes of temperature or pressure, or where there is no liquid water for long periods of time – helps us to recognise which environments beyond Earth may be capable of supporting life. But it can...