University College London
Lunch Hour Lectures - Spring 2008 - AudioEpisodes
Episodes of Lunch Hour Lectures
Mark All
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The lecture looks at how cells in emerging multicellular organisms have evolved ways of communicating with each other. The basic ‘yes’ and ‘no’ signalling was probably mediated by release into the extracellular space of substances which were av
Several space missions of planetary exploration are currently underway, including Venus Express and Mars Express to our planetary neighbours and Cassini-Huygens to Saturn. In this talk, we will look at some of the results from these missions. R
Love them or loathe them, frogs have a place in popular culture, from ‘Kermit’ to ‘Toad of Toad Hall’. The short, tailless body, large head, and long legs give a profile that is vaguely humanoid, but frogs are optimised for leaping rather than
Although the field of ‘art and science’ – the fusion of art, science and technology – has existed for at least two decades, its validity and value are still questioned, often very forcefully, by both the artistic and scientific communities. Thi
One of the most striking poems in the American poet Hart Crane’s first collection, ‘White Buildings’ (1926) is ‘Emblems of Conduct’. Long after Crane’s premature death in 1932, it emerged that this poem was in fact a mosaic of lines appropriate
Between the early 1980s and the late 1990s, syphilis had essentially been eradicated in the UK. There is now an outbreak of syphilis with more diagnoses each year than at any time since the 1940s. This lecture will outline the nature of syphili
Cancer of the mouth and face affects our swallowing, our speech and more importantly our self-perception and self-esteem. Therefore, reconstructive surgery of the mouth and face touches on the deepest human feelings about identity. The surgery
Nowadays we are all very aware of some the considerable disadvantages, danger and damage caused by automobile driving. Yet people continue to drive, even when suitable alternatives exists. This talk examines some of the historical reasons as to
The SPS Agreement is one of the most innovative and controversial aspects of the World Trade Organization (WTO). This agreement uses science as a benchmark for assessing the legality of Member State regulation and has, in high profile cases suc
Stars are formed from the interstellar medium and yet throughout their lifetime they feed material back into it. The interaction and exchange between the stars and the interstellar medium is therefore vital to a proper understanding of the mech
The newlyweds George Gaylord Simpson (palaeontologist) and Anne Roe (psychologist) travelled through Venezuela on an expedition in 1938–39. The result was intellectual work unlike anything each did elsewhere in their long careers. Romantic and
Language is a highly complex, specialised cognitive ability that is unique to humans. Nevertheless, most three-year-olds can talk using simple sentences. However, seven per cent of otherwise normally developing children have ‘specific language
Not all colours in nature originate from pigments. Colour can also emerge if the microstructure of a material is fashioned into an optical diffraction grating. In nanotechnology, this capability of ‘structural colour’ is now within our grasp, a
Amongst all human pathogens, the hepatitis B virus is one of the smallest known. The virus particle itself was first described in this Medical School nearly 40 years ago, although its existence had been surmised for much longer. Not only is the
To even suggest there are sex differences in cognitive abilities is anathema to many. Academics have been sacked for suggesting that there may be group differences in general or specific intelligence. This paper examines estimated intelligence
People from certain ethnic minority groups living in the UK are at increased risk of disease and death compared with the majority population, but the reasons for these patterns are not known. It is also not clear at what point during life such
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