207 results found for biology

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Hopper 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 | 9 years ago | 870 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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Nagayama 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 | 10 years ago | 820 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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Cells 00:29:00

Social and anti-social cells

by Dawn Walker
Social and anti-social cells
for 18-22 and upwards,
Lectures | 18-22 and upwards | 6 years ago | 870 views
Rating:

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Soil Recovery 00:06:00

Soil Recovery by Re-use

by Akira Ise
Soil Recovery by Re-use
for 14-19 and upwards,
Highschool presentations | 14-19 and upwards | 4 years ago | 860 views
Rating:

Aki decribes her experiments in improving soils using various buffering materials.

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Brand 00:58:00

Stem Cells to Synapses

by Andrea Brand
Stem Cells to Synapses
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 806 views
Rating:

One of the goals of research in neurobiology is the repair and regeneration of neurons after damage to the brain or spinal cord. Before we can understand how to repair the nervous system we must first learn how the nervous system is put together.

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Barnacles 00:06:00

Stream affect barnacles shell direction

by Shokichi Sugihara
Stream affect barnacles shell direction
for 14-19 and upwards,
Highschool presentations | 14-19 and upwards | 4 years ago | 717 views
Rating:

An interesting look at how the direction of water flow affects shell growth in barnacles.

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De Duve 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 | 10 years ago | 3140 views
Rating:

Interview with the Nobel Prizwinner for Medicine,1974

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MacKinnon 00:29:00

Structural and Mechanistic Studies of Ion Channels

by Roderick MacKinnon
Structural and Mechanistic Studies of Ion Channels
for 14-19 and upwards,
Interviews | 14-19 and upwards | 10 years ago | 1276 views
Rating:

In this interview MacKinnon, Nobel Prizewinner in Chemistry, 2003, discusses Max Perutz and then his own research. He says his course into science was quite sequacious and he really didn't start science until he was about 30 as he had a strong intere....

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Structural Biology - Lindau-Nobel - Robert Huber - Medicine 2014 00:33:00

Structural Biology and its Translation into Practice and Business: My Experience

by Robert Huber
Structural Biology and its Translation into Practice and Business: My Experience
for 18-22 and upwards,
Lectures | 18-22 and upwards | 5 years ago | 825 views
Rating:

As a student in the early 1960s, I had the privilege to attend winter seminars organized by my mentor, W. Hoppe, and by M. Perutz, which took place in a small guesthouse in the Bavarian-Austrian Alps. The entire community of a handful of protein cry....

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Campbell 01:03:00

Structure and the living cell

by Iain Campbell
Structure and the living cell
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 795 views
Rating:

In this lecture Iain Campbell will discuss methods of studying the structure of molecules and cells and how they have advanced in the 350 years since early microscopes gave the first glimpse of single cells. He will show how modern methods are allowi....

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Anila Mathew 00:33:00

Synthesis and characterization of targeted nano-regulators as potential therapeutic agents for controlling Alzheimer’s disease

by Anila Mathew
Synthesis and characterization of targeted nano-regulators as potential therapeutic agents for controlling Alzheimer’s disease
for 18-22 and upwards,
Postgraduate presentations | 18-22 and upwards | 5 years ago | 841 views
Rating:

In her PhD dissertation lecture, Anila describes the use of nano-particles in the treatment of Alzheimer's Disease.

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Synthetic - L-N - Smith - Medicine 2014 00:34:00

Synthetic Biology for Genetic Engineering in the 21st Century

by Hamilton Smith
Synthetic Biology for Genetic Engineering in the 21st Century
for 18-22 and upwards,
Lectures | 18-22 and upwards | 5 years ago | 705 views
Rating:

Synthetic biologists seek to design, build, and test novel biological systems. We have chemically synthesized a bacterial genome (Mycoplsama mycoides, 1078Kb) and brought it to life by transplantation into the cytoplasm of a related species. We are....

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Targeting the human kinome: 01:13:00

Targeting the human kinome: cancer drug discovery

by Nicholas Lydon
Targeting the human kinome: cancer drug discovery
for 14-19 and upwards,
Lectures | 14-19 and upwards | 4 years ago | 612 views
Rating:

This lecture discusses how the discovery of the Philadelphia chromosome provided the first example of a link between cancer and a recurrent genetic abnormality. This chromosomal translocation, which results in activation of the Abl protein kinase, re....

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telomeres 00:35:00

Telomeres: Telling Tails

by Elizabeth Blackburn
Telomeres: Telling Tails
for 18-22 and upwards,
Lectures | 18-22 and upwards | 3 years ago | 777 views
Rating:

Telomeres protect chromosome ends and help stabilize the genome. Throughout human life and in aging, telomeres often erode down, eventually causing cells to malfunction or die. The highly regulated cellular enzyme telomerase adds telomeric DNA to tel....

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Biology of Striga 00:09:00

The biology of Striga

by Various
The biology of Striga
for 14-19 and upwards,
Lectures | 14-19 and upwards | 4 years ago | 860 views
Rating:

One of the major parasites is striga, a weed that sucks the juice and nutrients from cereal crops such as millet, sorghum and maize and causes great yield losses. A single striga plant can produce hundreds of thousands of seeds. The seeds are so tiny....

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Shine 00:11:00

The breakdown of macro-nutrients

by D'Ondre Shine
The breakdown of macro-nutrients
for 14-19 and upwards,
Lectures | 14-19 and upwards | 9 years ago | 1162 views
Rating:

Presentation on the breakdown of macro-nutrients. The chemical decomposition of macronutrients, which includes carbohydrates, proteins, and lipids.

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Birkhead 00:06:00

The cuckoo egg mystery

by Tim Birkhead
The cuckoo egg mystery
for 14-19 and upwards,
Lectures | 14-19 and upwards | 8 years ago | 1001 views
Rating:

Research discover new reason for cuckoo success

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Anglin 00:06:00

The Development, Treatment and Future of Antibiotic Resistance in Bacteria.

by Branden Anglin
The Development, Treatment and Future of Antibiotic Resistance in Bacteria.
for 14-19 and upwards,
Undergraduate presentations | 14-19 and upwards | 9 years ago | 1597 views
Rating:

Branden Anglin presents on the development, treatment and possible future of antibiotic resistance in bacteria.

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The End of Disease 01:16:00

The End of Disease

by Roger Kornberg
The End of Disease
for 14-19 and upwards,
Lectures | 14-19 and upwards | 4 years ago | 971 views
Rating:

The importance of transcription in cells and its effect on disease.

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the-end-of-evolution-women-s-t-shirts_design 00:29:00

The End of Evolution?

by Various Presenters
The End of Evolution?
for 14-19 and upwards,
Discussions | 14-19 and upwards | 10 years ago | 970 views
Rating:

Have advances in modern medicine put an end to evolution in humans? If not, how is the human race evolving?

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Nurse 01:00:00

The great ideas of biology

by Paul Nurse
The great ideas of biology
for 14-19 and upwards,
Lectures | 14-19 and upwards | 9 years ago | 904 views
Rating:

Three of the ideas of biology are the gene theory, the theory of evolution by natural selection and the proposal that the cell is the fundamental unit of all life. A fourth idea is that the organization of chemistry within the cell provides explanati....

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Smith 00:10:00

The ins and outs of the cell

by Adam Smith
The ins and outs of the cell
for All ages,
Lectures | All ages | 18 years ago | 764 views
Rating:

Functions of the plasma membrane

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Nirenberg 00:39:00

The interpretation of the genetic code and its function in protein synthesis

by Marshall Nirenberg
The interpretation of the genetic code and its function in protein synthesis
for 18-22 and upwards,
Interviews | 18-22 and upwards | 10 years ago | 1163 views
Rating:

This interview starts with Nirenberg (Nobel Prize in Medicine, 1968) giving his recollections of his school years. He remembers going down into some limestone caves in Florida at the age of 13-14. It was full of fossilized large animal bones. In fact....

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the killer defence 00:29:00

The Killer Defence

by Peter Doherty
The Killer Defence
for 18-22 and upwards,
Lectures | 18-22 and upwards | 3 years ago | 689 views
Rating:

Immune surveillance by virus-specific CD8+ cytotoxic T lymphocytes (CTLs), or killer T cells, has long been known to be central to the control of acute infections and some cancers, though the role of CTL memory in the rapid recall of immune protectio....

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Krebs.png 00:03:00

The Krebs Cycle

by Matt Johnson
The Krebs Cycle
for 11-14 and upwards,
Lectures | 11-14 and upwards | 3 years ago | 0 views
Rating:

Matt Johnson explains the Krebs Cycle, its discovery by a University of Sheffield Nobel Prize winner and its role in endurance sports such as cycling.

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Long 00:07:00

The Mother Fish

by John Long
The Mother Fish
for All ages,
Lectures | All ages | 9 years ago | 1423 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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Noble 01:12:00

The Music of Life

by Denis Noble
The Music of Life
for 14-19 and upwards,
Lectures | 14-19 and upwards | 9 years ago | 1431 views
Rating:

This event at Sheffield University formed part of a series on Arts-Science Encounters. Stories from The Music of Life related by Denis Noble are interwoven with performances of relevant pieces of classical guitar music by the world-class performer, C....

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Blasser 00:09:00

The Neuroscience of Music

by Brooke Blasser
The Neuroscience of Music
for 14-19 and upwards,
Lectures | 14-19 and upwards | 9 years ago | 824 views
Rating:

An introduction to the various effects on the brain of listening to music.

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Partridge 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 | 9 years ago | 733 views
Rating:

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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Maynard-Smith life 01:00:00

The Origin of Life

by John Maynard Smith
The Origin of Life
for 14-19 and upwards,
Lectures | 14-19 and upwards | 10 years ago | 757 views
Rating:

In modern organisms, there is a division of labour between two kinds of molecule: DNA, which stores and transmits genetic information, and proteins, which do all the work. They are connected by the 'genetic code', whereby DNA specifies what kinds of ....

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the origin of reversible 00:30:00

The Origin of Reversible Protein Phosphorylation as a Regulatory Mechanism

by Edmond Fischer
The Origin of Reversible Protein Phosphorylation as a Regulatory Mechanism
for 18-22 and upwards,
Lectures | 18-22 and upwards | 3 years ago | 934 views
Rating:

Reversible protein phosphorylation can be considered one of the most prevalent mechanism by which eukaryotic cellular events are regulated. It is directly involved in numerous pathological conditions, and bacterial and viral diseases. This process wa....

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the origins of cellular 00:31:00

The Origins of Cellular Life

by Jack Szostak
The Origins of Cellular Life
for 18-22 and upwards,
Lectures | 18-22 and upwards | 3 years ago | 746 views
Rating:

The complexity of modern biological life has long made it difficult to understand how life could emerge spontaneously from the chemistry of the early earth. We are attempting to synthesize simple artificial cells in order to discover plausible pathwa....

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Crane 01:04:00

The origins of flowers

by Peter Crane
The origins of flowers
for 14-19 and upwards,
Lectures | 14-19 and upwards | 9 years ago | 756 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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Wolpert D2 01:08:00

The Puppet Master: How the brain controls the body

by Daniel Wolpert
The Puppet Master: How the brain controls the body
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1035 views
Rating:

The effortless ease with which humans move our arms, our eyes, even our lips when we speak masks the true complexity of the control processes involved. Professor Daniel Wolpert explains how the brain deals with this and can perform optimally in the p....

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The Revolution - L-N - Ciechanover - Medicine 2014 00:32:00

The Revolution of Personalized Medicine: Are We Going to Cure All Diseases and at What Price?

by Aaron Ciechanover
The Revolution of Personalized Medicine: Are We Going to Cure All Diseases and at What Price?
for 18-22 and upwards,
Lectures | 18-22 and upwards | 5 years ago | 916 views
Rating:

Many important drugs such as penicillin, aspirin, or digitalis, were discovered by serendipity - some by curious researchers who accidentally noted a "strange" phenomenon, and some by isolation of active ingredients form plants known for centuries to....

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LaBarbera 00:06:00

The Role and Species of Beetles Worldwide

by Vinnie LaBarbera
The Role and Species of Beetles Worldwide
for 14-19 and upwards,
Undergraduate presentations | 14-19 and upwards | 9 years ago | 835 views
Rating:

Vinnie LaBarbera presents on the role and species of beetles worldwide, including some slides of his own work at the FSU Biological Sciences Department.

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Massaglia 00:11:00

The Science of Addiction

by Emmaline Massaglia
The Science of Addiction
for All ages,
Undergraduate presentations | All ages | 9 years ago | 841 views
Rating:

This presentation deals with common additives in cigarettes, including nicotine, and how these affect your body.

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Chillies 00:04:00

The Science of Chillies

by Various Presenters
The Science of Chillies
for 14-19 and upwards,
Highschool presentations | 14-19 and upwards | 4 years ago | 974 views
Rating:

These things are HOT! - and have a variety of biochemical effects.

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Gibson 00:06:00

The Science of Love

by Maeghan Gibson
The Science of Love
for All ages,
Undergraduate presentations | All ages | 9 years ago | 1098 views
Rating:

A brief look into the physical, biological, chemical and behavioral attributes that humanity shares with other members of the animal kingdom focusing on studies done on Jamaican dancers, Belding's ground squirrels, human MHC and others.

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Toybox 2 cells 00:03:00

The social life of cells

by Rod Smallwood
The social life of cells
for 18-22 and upwards,
Lectures | 18-22 and upwards | 6 years ago | 839 views
Rating:

How do cells communicate with each other?

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Means 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 | 9 years ago | 1059 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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RS Fisher 00:58:00

The Zoological World of Edward Lear

by Clemency Fisher
The Zoological World of Edward Lear
for 14-19 and upwards,
Lectures | 14-19 and upwards | 6 years ago | 977 views
Rating:

Clemency Fisher is Curator of Vertebrate Zoology at National Museums Liverpool. Edward Lear is most famous for his Nonsense Rhymes, such as “The Owl and the Pussycat” and “The Quangle Wangle’s Hat”, but he was also a talented zoological art....

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Leyser 01:02:00

Thinking like a vegetable: how plants decide what to do

by Ottoline Leyser
Thinking like a vegetable: how plants decide what to do
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 782 views
Rating:

Plants monitor a wide range of information from their surrounding environment. They combine information of multiple sorts, and respond in an appropriate way. In plants there is no brain, and the information processing is distributed across the plant ....

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Faragher 01:06:00

Three score years and then? The new biology of ageing

by Faragher Richard
Three score years and then? The new biology of ageing
for 14-19 and upwards,
Lectures | 14-19 and upwards | 9 years ago | 697 views
Rating:

Ageing is the single greatest challenge facing our society today. Recent breakthroughs have demonstrated that it is possible to combine a long life with the absence of age-related disease. Scientists at the forefront of this research will explain the....

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Tickling Worms 00:32:00

Tickling Worms – Surprises from Basic Research

by Martin Chalfie
Tickling Worms – Surprises from Basic Research
for 18-22 and upwards,
Lectures | 18-22 and upwards | 4 years ago | 785 views
Rating:

Research, at least my research, has never been linear. I have found that my lab and I often double back on problems after years of inactivity or go off in entirely new directions as dictated by the work and people's interests This lack of direction r....

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Michael 00:08:00

Tissue Engineering

by Mariah Michael
Tissue Engineering
for 18-22 and upwards,
Undergraduate presentations | 18-22 and upwards | 9 years ago | 779 views
Rating:

Mariah Michael discusses the burgeoning field of tissue engineering and the research being done at Wake Forest University under Dr. Anthony Atala. Each year, thousands of patients die while waiting for an organ transplant. With this technology, patie....

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Tissue engineering - Osman 00:14:00

Tissue engineering

by Nadir Osman
Tissue engineering
for 18-22 and upwards,
Lectures | 18-22 and upwards | 6 years ago | 848 views
Rating:

The challenge of tissue-engineering - a repair material for use in pelvic floor surgery

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Cleft palate - Bye 00:13:00

Tisue Engineering of the Cleft Palate

by Frazer Bye
Tisue Engineering of the Cleft Palate
for 18-22 and upwards,
Postgraduate presentations | 18-22 and upwards | 6 years ago | 991 views
Rating:

Overview of research that seeks to find a better intervention to correct a cleft palate

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