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Sperm counts
Nature & Environment

Sperm counts

...Open University's Science courses and qualifications. [Zeron Gibson and Mike Leahy] Lab Rats Mike Leahy and Zeron Gibson Although I'm a biologist, I rarely think much about what the cloudy white stuff contains, but in fact semen is far more complex than my endearing childhood image of mini tadpoles swimming around in thin wallpaper paste. There are many features of human...
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Article 15 mins
What can philosophy tell us about race?
History & The Arts

What can philosophy tell us about race?

...Open University course DA223 Investigating philosophy....What can philosophy tell us about race?: Introduction - This free course introduces you to the philosophy of race and explores the ways in which philosophy impacts our understanding of the social world. You will explore answers to two central questions: What is race? What is racism? Along the way, you will consider...
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Level 1: Introductory 9 hrs
The struggle to save the seabirds after the Torrey Canyon disaster
Nature & Environment

The struggle to save the seabirds after the Torrey Canyon disaster

...source on 1st June. General management Many species of water bird are difficult to keep in captivity and auks, healthy and oiled, have only survived in zoos for an average of two months and a maximum of 11 months (J. Yealland, pers. com.). Auks brought in for rehabilitation are usually already in poor condition. They preen and ingest oil which damages the gut, the effect...
View article The struggle to save the seabirds after the Torrey Canyon disaster
Article 10 mins
How the atmosphere sustains life on Earth
Science, Maths & Technology

How the atmosphere sustains life on Earth

...Open University's Science courses and qualifications Earth is a vibrant blue planet, the only place that we can be sure that life exists. As A Perfect Planet shows, a complex and interconnected set of systems operate to form our environment. Every planet except one in the Solar System has a gaseous atmosphere, as do some moons and even some dwarf planets. Why does the...
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Article 20 mins
How does the human body fight a viral infection?
Science, Maths & Technology

How does the human body fight a viral infection?

...Open University's Health Sciences qualification. The immune response to viral infection The immune response to a viral infection is primarily generated by a type of white blood cell called lymphocytes; cells that are mostly localised in ‘lymphoid tissues’ such as the lymph nodes or tonsils. However, the number of lymphocytes that can recognise and react against any...
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Article 20 mins
Delacroix
History & The Arts

Delacroix

...opened up by the Enlightenment’s consideration of such places gave way to the application of those ideas to a process of artistic self-exploration and self-expression. And yet, as we shall see, Delacroix was not always so clearly on the side of Romanticism. His 1832 journey to Morocco would be a crucial, transforming influence on his career. First, it is necessary to...
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Level 1: Introductory 16 hrs
Explainer: Einstein's Theory of General Relativity
Science, Maths & Technology

Explainer: Einstein's Theory of General Relativity

...source of gravity, so the curvature responds to matter as well. In the words of American theoretical physicist John Archibald Wheeler, “Matter tells space-time how to curve, and curved space tells matter how to move.” What if we have lots of matter in one place? Imagine you are driving up a steep hill. There is some steepness that is too much for your car to manage,...
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Article 5 mins
US Election 2016: A last week reading list
Society, Politics & Law

US Election 2016: A last week reading list

...source of original news and political content through apps like Newsy and Local Now. Our evidence thus leads us to believe that how people access and engage television content is as important as what they watch. We do not argue that streaming television is causing political participation to increase: Our data are too limited to prove that at this stage. But we do argue...
View article US Election 2016: A last week reading list
Article 5 mins