3,568 search results
Forensic science and fingerprints
Health, Sports & Psychology

Forensic science and fingerprints

...work for Ross. A latent print on the tin from the suspect Asbury's home was identified as having been made by the victim, Ross. One latent print on a Christmas gift tag from the murder scene was identified as belonging to Asbury (Figure 2). The 16 points of identification (matching characteristics) are shown on each print. You can get an idea of how difficult fingerprint...
View course Forensic science and fingerprints
Level 1: Introductory 10 hrs
Infection and immunity
Health, Sports & Psychology

Infection and immunity

...Work Projects Administration Poster Collection, Library of Congress Figure 11b: © Everett Collection Historical/Alamy Figure 12: BBC News Magazine Every effort has been made to contact copyright owners. If any have been inadvertently overlooked, the publishers will be pleased to make the necessary arrangements at the first opportunity...Session 2: Scientific lessons from...
View course Infection and immunity
Level 1: Introductory 12 hrs
Intermediate French: Holiday plans
Languages

Intermediate French: Holiday plans

...work on – thirty to sixty seconds is enough to start with – and try some of the following ideas: jot down the main ideas covered; write a summary in French or in English; transcribe the extract; come back to the same extract a few weeks later to see whether your comprehension has improved. You will now hear some French people explaining whether they take holidays...
View course Intermediate French: Holiday plans
Level 2: Intermediate 20 hrs
People, automobiles and statistics
Science, Maths & Technology

People, automobiles and statistics

...work. So all those years of discussion and poring over data and looking at statistics and at the end we have a physical vehicle, as we are driving now. And there’s a tremendous sense of pride that I can point at a car as it goes down the road and say ‘I did that bit and I did that bit.’ And it really is a satisfying thing to have done. Vehicle design requires an...
View article People, automobiles and statistics
Article 10 mins
Astronomy: images of the Universe
Science, Maths & Technology

Astronomy: images of the Universe

...work, objects with magnitude 6 are in fact about 100 times fainter than those with magnitude 1: each decrease of one magnitude corresponds to roughly a 2.5 times reduction in brightness. Using a large telescope, objects as faint as magnitude 25 may be detected. A 25th magnitude star is around a hundred million times fainter than those near the limit of perception for...
View course Astronomy: images of the Universe
Level 2: Intermediate 6 hrs
An introduction to floodplain meadows
Nature & Environment

An introduction to floodplain meadows

...worked with the Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust and Long Mead Thames Valley Floodplain Meadow Restoration Project, on a project funded by Ecover, to discover how much carbon is stored in different floodplain land uses, including floodplain meadows. Watch the following video to find out more. CLARE LAWSON So the Floodplain Meadows Partnership had...
View course An introduction to floodplain meadows
Level 1: Introductory 3 hrs
Exploring communications technology
Digital & Computing

Exploring communications technology

...works out what syllables it is you are saying. ALLAN JONES Thanks. ...Exploring communications technology: 1.1 Periodic signals - Fundamental to communications is the analogue signal known as the sinusoid or sine wave, shown in Figure 1. Sinusoids are important not only because they turn up naturally in a wide variety of situations, but also for their mathematical...
View course Exploring communications technology
Level 2: Intermediate 10 hrs
Animals at the extremes: the desert environment
Nature & Environment

Animals at the extremes: the desert environment

...work on a biochemical and physiological level...Animal life has adapted to survive in the most unlikely and inhospitable habitats. This free course, Animals at the extremes: the desert environment, looks at the surprisingly diverse desert climates throughout the world and mammals, birds, lizards and amphibians that survive there. It splits these animals into three groups...
View course Animals at the extremes: the desert environment
Level 2: Intermediate 14 hrs