207 results found for biology

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01:08:00

Perception, deception and reality

by David Attenborough
Perception, deception and reality
for 18-22 and upwards,
Lectures | 18-22 and upwards | 14 years ago | 2096 views
Rating:

Sir David Attenborough delivers the 2003 Michael Faraday Lecture entitled: Perception, deception and reality

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01:15:00

Vision for knowledge: Knowledge for vision

by Richard Gregory
Vision for knowledge: Knowledge for vision
for 18-22 and upwards,
Lectures | 18-22 and upwards | 14 years ago | 1334 views
Rating:

An evolutionary development of perception is suggested - from passive reception to active perception to explicit conception - earlier stages being largely retained and incorporated in later species. A key is innate and then individually learned knowl....

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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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01:04:00

The origins of flowers

by Peter Crane
The origins of flowers
for 14-19 and upwards,
Lectures | 14-19 and upwards | 14 years ago | 1282 views
Rating:

Flowers are such a ubiquitous and familiar part of our modern world that it is easy to take them for granted. But as Darwin recognized, the exquisite details of their structure and appearance have been shaped by evolutionary processes over millions o....

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01:01:00

Is the Great Barrier Reef on Death Row?

by Charlie Veron
Is the Great Barrier Reef on Death Row?
for 14-19 and upwards,
Lectures | 14-19 and upwards | 14 years ago | 1821 views
Rating:

Professor J.E.N Veron, the former Chief Scientist of the Australian Institute of Marine Science and widely regarded as the world's leading authority on coral reef ecosystems, presents the effects that climate change is having on coral reefs.

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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 | 1262 views
Rating:

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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00:33:00

Deep sea discoveries

by Jason Hall-Spencer
Deep sea discoveries
for 14-19 and upwards,
Lectures | 14-19 and upwards | 14 years ago | 3370 views
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Recent underwater images show that the deep sea realm of the British Isles is nothing like the monotonous expanse of mud that many people imagine. Spectacular coral reefs, once thought to be restricted to the tropics, are now known to occur in the ch....

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00:30:00

Evolution and Creationism

by Adam Rutherford
Evolution and Creationism
for 14-19 and upwards,
Lectures | 14-19 and upwards | 14 years ago | 1465 views
Rating:

Dr Adam Rutherford investigates the idea that the teaching of evolution is being threatened by a rise in creationism amongst religious students.nRutherford speaks to the former Director of Education at the Royal Society, Reverend Professor Michael Re....

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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
Rating:

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
Rating:

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 | 1396 views
Rating:

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
Rating:

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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00:02:00

David Attenborough on birds of paradise – Part 2

by David Attenborough
David Attenborough on birds of paradise – Part 2
for All ages,
Interviews | All ages | 14 years ago | 12025 views
Rating:

British broadcaster Sir David Attenborough talks to Nature about his obsession with birds of paradise.

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00:04:00

David Attenborough: Scientist or Broadcaster? – Part 3

by David Attenborough
David Attenborough: Scientist or Broadcaster? – Part 3
for All ages,
Interviews | All ages | 14 years ago | 2865 views
Rating:

Scientist or Broadcaster?

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00:07:00

The Mother Fish

by John Long
The Mother Fish
for All ages,
Lectures | All ages | 14 years ago | 2928 views
Rating:

Evidence of reproduction by internal fertilization has been discovered in a large group of ancient jawed fish. Embryos discovered within fossils of these animals confirm that live birth in prehistoric times was much more widespread than previously th....

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00:08:00

Platypus Genome

by Jenny Graves
Platypus Genome
for 14-19 and upwards,
Lectures | 14-19 and upwards | 14 years ago | 1822 views
Rating:

The duck-billed platypus is a truly unique animal; a monotreme with almost no close relatives alive on earth. Scientists just had to take a look at that genome and here they discuss their findings.

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00:07:00

Whale Evolution

by Hans Thewissen
Whale Evolution
for 14-19 and upwards,
Lectures | 14-19 and upwards | 14 years ago | 4718 views
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The marine mammals known as cetaceans originated about 50 million years ago in south Asia, but their terrestrial ancestor is something of a mystery. Hans Thewissen and colleagues now provide the missing Eocene piece of the jigsaw.

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00:04:00

Climate Change: Madagascar

by Anjali Nayar
Climate Change: Madagascar
for 11-14 and upwards,
Lectures | 11-14 and upwards | 14 years ago | 3537 views
Rating:

Anjali Nayar visited a pioneering project in Madagascar that's aiming to protect one of the country's few remaining forests. It's hoped that projects like this will help curb global warming. But first, these projects must overcome the poverty and pol....

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00:07:00

Nobel Laureate Venki Ramakrishnan

by Venki Ramakrishnan
Nobel Laureate Venki Ramakrishnan
for 14-19 and upwards,
Interviews | 14-19 and upwards | 14 years ago | 1923 views
Rating:

Venki Ramakrishnan was awarded the 2009 Nobel Prize in Chemistry for 'studies of the structure and function of the ribosome', the cell's protein-making factory. In this interview, he talks about his surprise at winning the prize, and what it meant to....

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00:04:00

David Attenborough on Darwin – Part 1

by David Attenborough
David Attenborough on Darwin – Part 1
for 14-19 and upwards,
Interviews | 14-19 and upwards | 14 years ago | 2245 views
Rating:

British broadcaster Sir David Attenborough presents his views on Charles Darwin, natural selection, and how the Bible has put the natural world in peril in an exclusive interview for Nature Video.

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00:48:00

The Wild, Wild World of the Florida Panhandle

by Bruce Means
The Wild, Wild World of the Florida Panhandle
for 14-19 and upwards,
Lectures | 14-19 and upwards | 14 years ago | 1793 views
Rating:

D. Bruce Means gives a presentation of the ecological and biological diversity of the region around the Florida panhandle. Dr. Means gave particular attention to the unique climate and environment of the area. He lists the region as one of six biol....

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