87 results found for biology

View Grid List
Sort A-Z By date
00:03:00

Is there life in your PC?

by Norman Billingham
Is there life in your PC?
for 14-19 and upwards,
Discussions | 14-19 and upwards | 8 years ago | 1494 views
Rating:

What is there in your computer which is attractive to bacteria and fungi?

More details | Watch now
01:14:00

Cuckoos and their victims

by Nick Davies
Cuckoos and their victims
for 14-19 and upwards,
Lectures | 14-19 and upwards | 8 years ago | 1305 views
Rating:

The sight of a little warbler feeding an enormous cuckoo chick has astonished observers since ancient times. It was once thought that cuckoos were unable to raise their own young because of defective anatomy and behaviour, and so other birds were onl....

More details | Watch now
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 | 8 years ago | 1864 views
Rating:

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

More details | Watch now
00:05:00

Can the wheat which grows in dry areas solve the food crisis?

by Chiho Motokawa
Can the wheat which grows in dry areas solve the food crisis?
for 14-19 and upwards,
Highschool presentations | 14-19 and upwards | 8 years ago | 1571 views
Rating:

Chiho describes her important work in looking for varieties of wheat which could help increase food production in arid areas.

More details | Watch now
00:05:00

Growing gold-banded lilies with fungi

by Tomoha Miyazaki
Growing gold-banded lilies with fungi
for 14-19 and upwards,
Highschool presentations | 14-19 and upwards | 8 years ago | 1469 views
Rating:

Tomoha describes her work in helping preserve this threatened species of plant.

More details | Watch now
00:07:00

Wheat gets over global warming.

by Nao Sato
Wheat gets over global warming.
for 14-19 and upwards,
Highschool presentations | 14-19 and upwards | 8 years ago | 1323 views
Rating:

Nao describes her work in investigating the ways in which wheat can be made to cope with the higher temperatures expected from global warming.

More details | Watch now
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 | 8 years ago | 1599 views
Rating:

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

More details | Watch now
00:07:00

Hydrogen fermentation with iron powders

by Yuto Yonebayashi
Hydrogen fermentation with iron powders
for 14-19 and upwards,
Highschool presentations | 14-19 and upwards | 8 years ago | 1529 views
Rating:

How iron powder can catalyse bacterial production of hydrogen.

More details | Watch now
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 | 8 years ago | 1812 views
Rating:

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

More details | Watch now
01:10:00

Bacterial cell walls, antibiotics and the origins of life

by Jeff Errington
Bacterial cell walls, antibiotics and the origins of life
for 14-19 and upwards,
Lectures | 14-19 and upwards | 8 years ago | 1247 views
Rating:

The cell wall is a crucial structure found in almost all bacteria. It is the target for our best antibiotics and fragments of the wall trigger powerful innate immune responses against infection. Surprisingly, many bacteria can switch almost effortl....

More details | Watch now
01:09:00

Green Fluorescent Protein: Lighting up Life

by Martin Chalfie
Green Fluorescent Protein: Lighting up Life
for 14-19 and upwards,
Lectures | 14-19 and upwards | 9 years ago | 1470 views
Rating:

The accidental discovery of this wonderful tool has changed the face of biology.

More details | Watch now
01:12:00

A Worm’s Tale: Secrets of Inheritance and Immortality

by Craig Mello
A Worm’s Tale: Secrets of Inheritance and Immortality
for 14-19 and upwards,
Lectures | 14-19 and upwards | 9 years ago | 1783 views
Rating:

Intracellular synthesis is immensely fast and complex.

More details | Watch now
01:16:00

The End of Disease

by Roger Kornberg
The End of Disease
for 14-19 and upwards,
Lectures | 14-19 and upwards | 9 years ago | 1647 views
Rating:

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

More details | Watch now
00:57:00

Understanding the Cell cycle

by Paul Nurse
Understanding the Cell cycle
for 14-19 and upwards,
Lectures | 14-19 and upwards | 9 years ago | 1435 views
Rating:

How genes act to control the functioning of cells.

More details | Watch now
00:09:00

The biology of Striga

by Various
The biology of Striga
for 14-19 and upwards,
Lectures | 14-19 and upwards | 9 years ago | 1838 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....

More details | Watch now
00:12:00

‘Witch Weed’ – breaking the spell

by Various
‘Witch Weed’ – breaking the spell
for 14-19 and upwards,
Lectures | 14-19 and upwards | 9 years ago | 2779 views
Rating:

Striga (witchweed) is a parasitic weed that seriously constrains the productivity of staples such as maize, sorghum, millet and upland rice on some farms in Uganda.  Kilimo Trust supported this initiative to try and control its spread.

More details | Watch now
00:05:00

Why the Preservation of the Rhino is Destroying our Planet

by Sam Mackay
Why the Preservation of the Rhino is Destroying our Planet
for 14-19 and upwards,
Highschool presentations | 14-19 and upwards | 9 years ago | 1402 views
Rating:

Is there a collision between conserving a single rare species and much wider habitat preservation.

More details | Watch now
01:01:00

Genetic control and the mammalian radiation

by Duncan Odom
Genetic control and the mammalian radiation
for 14-19 and upwards,
Lectures | 14-19 and upwards | 9 years ago | 1112 views
Rating:

To grow tissues in our body two key types of DNA control how, where and when to build essential proteins. Recent comparisons of mammal genomes show that instructions coding how to build proteins are similar across diverse species. In contrast the gen....

More details | Watch now
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 | 9 years ago | 1122 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....

More details | Watch now
01:01:00

How embryos build organs to last a lifetime

by Brigid Hogan
How embryos build organs to last a lifetime
for 14-19 and upwards,
Lectures | 14-19 and upwards | 9 years ago | 1064 views
Rating:

All the organs of our body originate from small founder populations of cells which multiply into complex structures. ÊAdult stem cells are used to maintain organs throughout adult life and to repair or regenerate them after damage.Ê Focusing on the....

More details | Watch now
01:02:00

NeuroNavigation: how the brain represents the space we live in and finds our way around

by John O'Keefe
NeuroNavigation: how the brain represents the space we live in and finds our way around
for 14-19 and upwards,
Lectures | 14-19 and upwards | 10 years ago | 1560 views
Rating:

Learning about new environments or locating ourselves in familiar environments are some of the most fundamental tasks that the brain performs. Information is not stored in response to biological needs such as hunger or thirst but on the basis of cogn....

More details | Watch now
00:47:00

From bench to bedside: KATP channels and neonatal diabetes

by Frances Ashcroft
From bench to bedside: KATP channels and neonatal diabetes
for 14-19 and upwards,
Lectures | 14-19 and upwards | 10 years ago | 1482 views
Rating:

Whether you eat a whole box of chocolates or fast for the day, the pancreatic beta-cells ensure that your blood glucose level remains relatively constant by regulating the release of insulin from the pancreatic beta-cells. Diabetes results when insul....

More details | Watch now
01:01:00

Genetic fingerprinting: past, present and future

by Alec Jeffreys
Genetic fingerprinting: past, present and future
for 14-19 and upwards,
Lectures | 14-19 and upwards | 11 years ago | 8139 views
Rating:

Alec Jeffreys presents the origins of DNA fingerprinting through to the latest developments and their social impact

 

More details | Watch now
00:10:00

Producing Biogas and Identifying Bacteria

by Yuji Sunaoshi
Producing Biogas and Identifying Bacteria
for 14-19 and upwards,
Highschool presentations | 14-19 and upwards | 11 years ago | 10195 views
Rating:

Bacteria which adhere to plants have ability to produce gases such as hydrogen, methane or ammonia. These are called biogas. Biogas is recognized as new and clean source of energy. I wanted to know what kind of bacteria produce biogas. I isolated bac....

More details | Watch now
00:12:00

Yakushima Research Programe 2012

by Yuji Sunaoshi
Yakushima Research Programe 2012
for 14-19 and upwards,
Highschool presentations | 14-19 and upwards | 11 years ago | 5458 views
Rating:

This research was carried out at the Yakushima island, in Kagoshima, Japan, in July 2012.We looked at Yakushima’s (wild) plants and sea turtles to compare with Yokohama’s (city). We did two researches there, Line transect and Vegetation. In the L....

More details | Watch now
00:29:00

Cloning

by Various Presenters
Cloning
for 14-19 and upwards,
Discussions | 14-19 and upwards | 11 years ago | 14935 views
Rating:

Why is cloning such hot science? What are the potential benefits? And are there other ways of achieving them? What are stem cells, and why do many scientists say that embryonic cells are required for this work?

More details | Watch now
01:08:00

Nobel Lives

by Sidney Brenner
Nobel Lives
for 14-19 and upwards,
Discussions | 14-19 and upwards | 11 years ago | 3183 views
Rating:

An audience with Nobel prize winners John Sulston FRS and Sydney Brenner FRS, who talk to Sarah Montague of BBC Radio 4's Today Programme, about their lives in science and their visions for the future.

More details | Watch now
01:34:00

Is biodiversity going the way of the Dodo?

by Various Presenters
Is biodiversity going the way of the Dodo?
for 14-19 and upwards,
Discussions | 14-19 and upwards | 11 years ago | 1646 views
Rating:

Panel discussion with Professor Jonathan Baillie, Dr William Cheung, Professor Adrian Lister and chaired by Dr Susan Lieberman, as part of the Royal Society Summer Science Exhibition 2011.  Right now one-fifth of the world’s vertebrates are classi....

More details | Watch now
01:04:00

Nature’s glass: half-full or half-empty?

by Andrew Balmford
Nature’s glass: half-full or half-empty?
for 14-19 and upwards,
Lectures | 14-19 and upwards | 11 years ago | 1515 views
Rating:

Andrew Balmford FRS is Professor of Conservation Science at University of Cambridge.  The world’s governments failed to meet their pledge of reducing the rate of biodiversity loss by 2010. Wild populations, their habitats, and the benefits they pr....

More details | Watch now
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 | 11 years ago | 1581 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....

More details | Watch now
00:15:00

Medicine and the evolution of altruism

by James Marshall
Medicine and the evolution of altruism
for 14-19 and upwards,
Lectures | 14-19 and upwards | 11 years ago | 5277 views
Rating:

Why altruism is necessary for survival

More details | Watch now
00:02:00

Nerve tissue engineering

by John Haycock
Nerve tissue engineering
for 14-19 and upwards,
Lectures | 14-19 and upwards | 11 years ago | 3121 views
Rating:

Research staff explain how they are developing nerve guidance channels for repairing peripheral nerve injury

More details | Watch now
00:05:00

Fibroblasts and Oesophageal Cancer

by Sam Beckett
Fibroblasts and Oesophageal Cancer
for 14-19 and upwards,
Lectures | 14-19 and upwards | 11 years ago | 5026 views
Rating:

Does the anatomical source of fibroblasts affect their behaviour within a 3D composite model of oesophageal adenocarcinoma invasion?

More details | Watch now
00:25:00

Lighting up cells

by Guiseppe Battaglia
Lighting up cells
for 14-19 and upwards,
Lectures | 14-19 and upwards | 11 years ago | 1435 views
Rating:

A presentation about fluorescing cells by a Senior Lecturer in Bionanotechnology in the Department of Biomedical Science at the University of Sheffield

More details | Watch now
00:06:00

The cuckoo egg mystery

by Tim Birkhead
The cuckoo egg mystery
for 14-19 and upwards,
Lectures | 14-19 and upwards | 13 years ago | 1607 views
Rating:

Research discover new reason for cuckoo success

More details | Watch now
00:13:00

Green roofs

by Christine Thuring
Green roofs
for 14-19 and upwards,
Lectures | 14-19 and upwards | 13 years ago | 1450 views
Rating:

Using roof gardens to improve environment

More details | Watch now
00:16:00

Everything we touch is dirty!

by Ana Lorena Morales Garcia
Everything we touch is dirty!
for 14-19 and upwards,
Lectures | 14-19 and upwards | 13 years ago | 1712 views
Rating:

Is food safe to eat if dropped on the floor for less than 5 seconds?

More details | Watch now
00:10:00

Effects of high fat diet on bone quality etc.

by Jenna Stevens-Smith
Effects of high fat diet on bone quality etc.
for 14-19 and upwards,
Lectures | 14-19 and upwards | 13 years ago | 1208 views
Rating:

How a high fat diet can have a detrimental effect on our bones

More details | Watch now
01:05:00

Pandemic Influenza: one flu over the cuckoo’s nest

by Robert Webster
Pandemic Influenza: one flu over the cuckoo’s nest
for 14-19 and upwards,
Lectures | 14-19 and upwards | 13 years ago | 970 views
Rating:

Where do the pandemic influenza viruses come from and why did experts fail to predict the severity of the 2009 pandemic? However to date, the 2009 H1N1 pandemic influenza has been much less severe than the 1918 Spanish influenza.

More details | Watch now
01:04:00

Cloning, stem cells and regenerative medicine

by Ian Wilmut
Cloning, stem cells and regenerative medicine
for 14-19 and upwards,
Lectures | 14-19 and upwards | 13 years ago | 1200 views
Rating:

Extraordinary opportunities to study the molecular mechanisms that cause inherited diseases are being provided by new methods of producing stem cells. Hear about not only the potential value of these new methods, but also how their development was pr....

More details | Watch now
01:06:00

Our genomes, our history

by Gilean McVean
Our genomes, our history
for 14-19 and upwards,
Lectures | 14-19 and upwards | 13 years ago | 1579 views
Rating:

Genetic differences between humans reflect the fundamental processes, such as mutation, recombination and natural selection, which have influenced our evolutionary history. Now that we can chart the genomes of many individuals, we are finding many su....

More details | Watch now
00:07:00

Cape Gannets

by Sarah Merrel
Cape Gannets
for 14-19 and upwards,
Undergraduate presentations | 14-19 and upwards | 13 years ago | 2010 views
Rating:

Study on Cape Gannets, a new prey for quickly adapting Great White Pelicans on Malgas Island, South Africa. First observed in 2008. Result of indirect human involvement; Cape Gannets should be reconsidered for conservation management.

More details | Watch now
00:11:00

Body Fuel for Long Distances

by Sarah Purcell
Body Fuel for Long Distances
for 14-19 and upwards,
Undergraduate presentations | 14-19 and upwards | 13 years ago | 1644 views
Rating:

In my geoset project I will be discussing the effects of nutrition in long distance endurance. Topics include saturating carbohydrate stores before a race, the Krebs (citric acid) cycle, the effects of dehydration and hyponatremia, and replenishing y....

More details | Watch now
01:17:00

Mammalian biodiversity: past, present, future?

by Andy Purvis
Mammalian biodiversity: past, present, future?
for 14-19 and upwards,
Lectures | 14-19 and upwards | 13 years ago | 1302 views
Rating:

Beautiful and charismatic, mammals are biodiversity icons. But a quarter of mammalian species are now threatened with extinction, as ecosystems reel under the impact of a growing and ever more demanding human population. This lecture explores the his....

More details | Watch now
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 | 13 years ago | 1158 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....

More details | Watch now
01:07:00

Genetic fingerprinting and beyond

by Alec Jeffreys
Genetic fingerprinting and beyond
for 14-19 and upwards,
Lectures | 14-19 and upwards | 13 years ago | 1848 views
Rating:

Professor Jeffreys will describe how DNA typing can be used to solve casework and will review the latest developments, including the creation of major national DNA databases that are proving extraordinarily effective in the fight against crime.

More details | Watch now
01:12:00

The Music of Life

by Denis Noble
The Music of Life
for 14-19 and upwards,
Lectures | 14-19 and upwards | 13 years ago | 2185 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....

More details | Watch now
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 | 13 years ago | 1560 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....

More details | Watch now

Items per page: