1,677 search results
The science of sleep
Health, Sports & Psychology

The science of sleep

...system. This effect 'locks us in' to the natural twenty four hour day. There have been experiments performed where people have been cut off from knowledge of the true passage of time, and denied access to daylight - in one case this was done in a pot-hole. The people still showed a cycle in the hormone levels, but without the daylight to keep it in time, most people's...
View article The science of sleep
Article 10 mins
Tubman: The Moses of Her People
History & The Arts

Tubman: The Moses of Her People

...system. Tubman herself was in touch with the abolitionist leaders, and made public appearances at abolitionist rallies, despite her need for anonymity.However, the Underground Railroad was to challenge slavery in a more profound way, as what one might call a "propaganda device". In the 1840s and 1850s, the issue of fugitive slaves and the Railroad had a high public...
View article Tubman: The Moses of Her People
Article 10 mins
The economics of flood insurance
Society, Politics & Law

The economics of flood insurance

...systems, bridges and power lines. Sewer flooding, because of contamination, poses additional dangers to health. Depending on the severity and duration of the inundation, these different aspects of damage may exacerbate each other (such as in cases where large scale flooding makes roads impassable, making it difficult to rescue people or get healthcare to them). On the...
View course The economics of flood insurance
Level 2: Intermediate 6 hrs
Hybrid working: skills for digital transformation
Digital & Computing

Hybrid working: skills for digital transformation

...system is going to have to shift from where it has been in the past towards helping people to develop those skill sets. It also means that lifelong learning is going to have to become the new normal if we are all to keep up with the changing nature of technology and the changing nature of work. So we need a big shift in the way in which we’re thinking about skills for...
View course Hybrid working: skills for digital transformation
Level 1: Introductory 11 hrs
Introduction to ecosystems
Science, Maths & Technology

Introduction to ecosystems

...system of energy transfer, a whole complex of organisms living together, linked by energy transfer. The key difference is that ‘area’ defines one, whereas ‘energy relationships’ define the other. Before we can begin to tackle the larger issues of ecosystems and how they have been compromised by human intervention, we must understand what is meant by
View course Introduction to ecosystems
Level 1: Introductory 12 hrs
Studying mammals: Plant predators
Nature & Environment

Studying mammals: Plant predators

...systems of ruminants and hindgut fermenters...Studying mammals: Plant predators: 1 The herbivores - As you work through this course you will come across boxes, like this one, which give you advice about the study skills that you will be developing as you progress through the course. To avoid breaking up the flow of the text, they will usually appear at the start or end of...
View course Studying mammals: Plant predators
Level 1: Introductory 10 hrs
Can dogs read their owners' emotions?
Science, Maths & Technology

Can dogs read their owners' emotions?

...systems in unfamiliar situations. So the ability to identify human emotional cues would be a significant addition to this skill. However, dogs are also likely to have learned that if they respond to their owners' sounds and facial expressions they will be treated in a certain way. The classic example is of a dog that has disobeyed an order displaying what appears to be a...
View article Can dogs read their owners' emotions?
Article 5 mins
World Environment Day 2016: Local engagement, global celebration
Nature & Environment

World Environment Day 2016: Local engagement, global celebration

...systems and their contribution to human well-being. How Nature is good for our health and happiness - BBC Earth, April 20, 2016. Taking it further Treezilla: the monster map of trees: A site where you can engage, map and also calculate the benefits provided by your local trees. iSpot – a friendly community of nature enthusiasts sharing their photos of nature and...
View article World Environment Day 2016: Local engagement, global celebration
Article 5 mins