7 results found for Werner Arber

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00:34:00

Insight into the Laws of Nature for Biological Evolution

by Werner Arber
Insight into the Laws of Nature for Biological Evolution
for 18-22 and upwards,
Lectures | 18-22 and upwards | 5 years ago | 909 views
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Both evolutionary biology and genetics have their roots 150 years ago in work with phenotypic variants of plants and animals. In contrast, microbial genetics originating as recently as the 1940s, rapidly revealed that filamentous DNA molecules are th....

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00:31:00

Biological Evolution in the Context of Cosmic Evolution and of Cultural Evolution

by Werner Arber
Biological Evolution in the Context of Cosmic Evolution and of Cultural Evolution
for 18-22 and upwards,
Lectures | 18-22 and upwards | 6 years ago | 1003 views
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After reconsidering the very long time periods in cosmic evolution, we will focus our attention to the evolutionary development of living organisms on our planet Earth. The genetic variants (mutations), which are occasionally produced, are alteratio....

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00:32:00

Cultural Values of Scientific Knowledge

by Werner Arber
Cultural Values of Scientific Knowledge
for 18-22 and upwards,
Lectures | 18-22 and upwards | 6 years ago | 2010 views
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The acquisition of scientific knowledge largely depends on the availability of appropriate research approaches and methodologies. Novel scientific knowledge represents cultural values. On the one hand, it enriches our world-view with impacts on our....

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00:35:00

Updated Notions on Darwinian Evolution

by Werner Arber
Updated Notions on Darwinian Evolution
for 18-22 and upwards,
Lectures | 18-22 and upwards | 6 years ago | 890 views
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Charles Darwin had based his theory of biological evolution on the observation that phenotypic variants of a given species can sometimes over-grow their parental population, and he attributed this to selective advantage, i.e., to the impact of natura....

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00:46:00

Darwinian evolution as understood by scientists of the 21st century

by Werner Arber
Darwinian evolution as understood by scientists of the 21st century
for 18-22 and upwards,
Lectures | 18-22 and upwards | 6 years ago | 1009 views
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After a short reminder of the historical development of evolutionary biology, elements to a molecular theory of Darwinian evolution will be presented. Biological evolution is driven by the availability of genetic variants in populations. The occasi....

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00:38:00

Cultural Values of Scientific Knowledge

by Werner Arber
Cultural Values of Scientific Knowledge
for 18-22 and upwards,
Lectures | 18-22 and upwards | 6 years ago | 916 views
Rating:

The acquisition of scientific knowledge largely depends on the availability of appropriate research approaches and methodologies.  Novel scientific knowledge represents cultural values.  On the one hand, it enriches our world-view with impacts on o....

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01:04:00

Restriction Enzymes

by Werner Arber
Restriction Enzymes
for 18-22 and upwards,
Interviews | 18-22 and upwards | 11 years ago | 1005 views
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Werner Arber won the Nobel Prize for Medicine in 1978

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