90 results found for biology

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01:00:00

Science not stamp collecting? Botany from 1759 to 2059

by Stephen Hopper
Science not stamp collecting? Botany from 1759 to 2059
for 18-22 and upwards,
Lectures | 18-22 and upwards | 14 years ago | 1431 views
Rating:

Professor Hopper considers the vital role that the study of plant taxonomy and systematics has played in plant science. He considers, in particular, how these fields are transforming to meet the needs of 21st Century science as we address the challen....

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01:23:00

We are what we remember.

by Eric Kandel
We are what we remember.
for 18-22 and upwards,
Lectures | 18-22 and upwards | 14 years ago | 1263 views
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n this lecture, Eric R Kandel considers the neural systems and molecular mechanisms that contribute to learning and long-term memory and discusses how our insights into memory storage are allowing us to understand various forms of age related memory ....

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01:02:00

Reprogramming the code of life

by Jason Chin
Reprogramming the code of life
for 18-22 and upwards,
Lectures | 18-22 and upwards | 14 years ago | 1521 views
Rating:

The information for synthesizing the molecules that allow organisms to survive and replicate is encoded in genomic DNA. In the cell, DNA is copied to messenger RNA, and triplet codons in the messenger RNA are decoded in the process of translation to ....

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01:00:00

The new biology of ageing

by Linda Partridge
The new biology of ageing
for 18-22 and upwards,
Lectures | 18-22 and upwards | 14 years ago | 1328 views
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Research into ageing has been rejuvenated by the discovery of mutations in single genes that extend the lifespan of laboratory animals. Some of the signalling pathways involved, particularly the insulin/Igf-like pathway, have effects on lifespan acro....

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01:16:00

A molecular window into speech and language

by Simon Fisher
A molecular window into speech and language
for 18-22 and upwards,
Lectures | 18-22 and upwards | 14 years ago | 1852 views
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Our capacity for complex speech and language remains one of the most intriguing aspects of being human. It has long been suspected that some answers to this enigma will be found buried within the genome. With recent advances in genetic technologies, ....

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01:01:00

Mapping memory: the brains behind remembering

by Eleanor Maguire
Mapping memory: the brains behind remembering
for 18-22 and upwards,
Lectures | 18-22 and upwards | 14 years ago | 1186 views
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Historically memory research has focussed on the hippocampus, a structure deep in the brain's temporal lobes. Damage to the hippocampus is known to have a devastating impact on the ability to form new memories as well as compromising recollection of ....

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01:08:00

Plant and animal communication

by John Pickett
Plant and animal communication
for 18-22 and upwards,
Lectures | 18-22 and upwards | 14 years ago | 1397 views
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Organisms of all kinds use signals comprising minute amounts of natural chemicals. The exploitation of semiochemicals is demonstrated with dramatic success in the management of pests and parasitic weeds in resource-poor East African cereal farming.

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01:08:00

From proteins to drugs

by Mark Pepys
From proteins to drugs
for 18-22 and upwards,
Lectures | 18-22 and upwards | 14 years ago | 1383 views
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The normal proteins which circulate in human blood are either known or presumed to have beneficial functions. However normal immunity and inflammation proteins can cause or exacerbate disease in addition to helping to resist infections.

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01:06:00

Decoding consciousness

by Geraint Rees
Decoding consciousness
for 18-22 and upwards,
Lectures | 18-22 and upwards | 14 years ago | 1340 views
Rating:

Everything we know about the world comes to us through our brain. Yet for each of us our own conscious mental world of thoughts and feelings is isolated and private. Despite centuries of research, language or gesture remains the only way we can disco....

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00:16:00

Jacques Monod

by Jacques Monod
Jacques Monod
for 18-22 and upwards,
Interviews | 18-22 and upwards | 15 years ago | 1602 views
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An archive interview with the winner of the 1965 Nobel Prize in Medicine

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00:58:00

Self-Assembly: Nature’s way to do it

by Kuniaki Nagayama
Self-Assembly: Nature’s way to do it
for 18-22 and upwards,
Lectures | 18-22 and upwards | 15 years ago | 1347 views
Rating:

Biology operates at two levels: the large scale which we can see and the underlying microscopic one. The amazing way in which intermolecular forces cause protein arrays to self-assemble, enabling Nature to fabricate the large scale components of livi....

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00:52:00

Structural and Functional Organization of the Cell

by Christian de Duve
Structural and Functional Organization of the Cell
for 18-22 and upwards,
Interviews | 18-22 and upwards | 15 years ago | 4368 views
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Interview with the Nobel Prizwinner for Medicine,1974

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