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Why were David Bowie's eyes two different colours?

Why were David Bowie's eyes two different colours? Copyrighted image Copyright: Markwaters | Dreamstime.com
Introductory level Duration 5 mins Updated 11 Jan 2016
The short answer is that they weren't - but there's a lot more to it than that. Kevin Hunt explains.

How to build a real lightsaber

How to build a real lightsaber Creative commons image JD Hancock under CC-BY-SA licence under Creative Commons BY-SA 4.0 license
Introductory level Duration 10 mins Updated 11 Dec 2015
Creating a light yet powerful tool that uses a blade of energy to defeat the Dark Side and also act as an effective shield against laser...

Do Christmas lights interfere with your wifi signal?

Do Christmas lights interfere with your wifi signal? Creative commons image Roger W under CC-BY-SA licence under Creative-Commons license
Introductory level Duration 5 mins Updated 01 Dec 2015
Beware: Britain's communication regulator warns that your twinkling festive lights might be blocking your wifi signal. Really? Andrew Smith...

Shock And Awe: The Story Of Electricity

Shock And Awe: The Story Of Electricity Copyrighted image Copyright: BBC
Updated 13 Nov 2015
In Shock and Awe: The Story of Electricity, Jim Al-Khalili tells the electrifying story of our quest to master nature’s most mysterious force -...

OpenLearn Live: 27th October 2015

OpenLearn Live: 27th October 2015 Creative commons image Flivver99 under CC-BY under Creative-Commons license
Introductory level Duration 5 mins Updated 27 Oct 2015
Mysterious lights in the sky; the risks of openwashing; Canada's migration mosaic...  and more free learning through the day.

The colour of stars

The colour of stars Copyrighted image Copyright: Michal Zduniak | Dreamstime.com
Introductory level Duration 10 mins Updated 22 Oct 2015
Ever wondered by some stars appear slightly blue and others red? Looking at the life cycle of a star will explain why...

100 years of General Relativity

100 years of General Relativity Creative commons image Wally Gobetz [CC BY-NC-ND 2.0] via Flickr Creative Commons under Creative-Commons license
Introductory level Duration 10 mins Updated 13 Oct 2015
2015 marks the 100th anniversary of Albert Einstein's Theory of General Relativity. Find out what it's all about and why it still matters.

Explainer: Einstein's Theory of General Relativity

Explainer: Einstein's Theory of General Relativity Copyright free image Copyright free:
Introductory level Duration 5 mins Updated 12 Oct 2015
What exactly is Einstein's Theory of General Relativity all about? And why does it matter?

Rough Science 1 Mediterranean: Video extras: Why Jonathan's a scientist

Featuring: VideoVideo
Rough Science 1 Mediterranean: Video extras: Why Jonathan's a scientist Copyrighted image Copyright: Production team
Introductory level Duration 5 mins Updated 14 May 2015
Rough Scientist Jonathan Hare explains what got him into studying science in the first place, from the BBC/OU Rough Science 1 series