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Science, Maths & Technology
The oceans
The oceans cover more than 70 per cent of our planet. In this free course, The oceans, you will learn about the depths of the oceans and the properties of the water that fills them, what drives the ocean circulation and how the oceans influence our climate.
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Science, Maths & Technology
Five ways to... use free software
Is money tight? Save some cash by spending less on your computer: discover five ways to use free software
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Nature & Environment
Why do birds eat plastic?
The photos of birds killed by bellies full of plastic waste are harrowing - but why do they eat the stuff in the first place? The OU's Miranda Dyson explains.
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Science, Maths & Technology
How do ruminants digest?
A quick introduction to how ruminants break down the plant matter they eat - equally useful as a quick revision aid on ruminants.
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Science, Maths & Technology
How to compare income across countries
When we want to compare figures from two different countries, what makes for a fair basis of comparison? Tony Hirst and Hans Rosling explain.
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Science, Maths & Technology
How fertility rates affect population
Tony Hirst looks at population models and the effects of changing fertility rates.
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Science, Maths & Technology
The Silver Bridge Disaster: Eyebars in suspension
The 1967 collapse of the Silver Bridge was a human tragedy - 46 people died - and an engineering mystery: why did a bridge built to last a century not make 40 years? Part 1: Eyebars in suspension
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Science, Maths & Technology
The Silver Bridge Disaster: Stresses and strains
The 1967 collapse of the Silver Bridge was a human tragedy - 46 people died - and an engineering mystery: why did a bridge built to last a century not make 40 years? Part 2: Stresses and strains
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Science, Maths & Technology
The Silver Bridge Disaster: The collapse
The 1967 collapse of the Silver Bridge was a human tragedy - 46 people died - and an engineering mystery: why did a bridge built to last a century not make 40 years? Part 3: The collapse
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Science, Maths & Technology
History of the Universe timeline
Download a free timeline depicting the history of the universe
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Science, Maths & Technology
Design a school
As a new academic year gets under way, some schools are settling in to new premises. But what sort of choices and trade-offs are made during the design process?
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Science, Maths & Technology
Noble gases
What happens when you put noble gases, some balloons and a rooftop together? Watch what happens...