87 results found for biology

View Grid List
Sort A-Z By date
Witch-weed 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 | 3 years ago | 1118 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
Liss 00:14:00

A biochemist investigating Parkinson’s Disease

by Birgit Liss
A biochemist investigating Parkinson’s Disease
for 14-19 and upwards,
Lectures | 14-19 and upwards | 9 years ago | 1220 views
Rating:

Dr Liss investigates Parkinson's disease with genetics

More details | Watch now
A Worm's Tale 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 | 3 years ago | 927 views
Rating:

Intracellular synthesis is immensely fast and complex.

More details | Watch now
Hill 00:10:00

Anti-oxidants

by Ryan Hill
Anti-oxidants
for 14-19 and upwards,
Lectures | 14-19 and upwards | 8 years ago | 1102 views
Rating:

Anti-oxidants and their importance in diet

More details | Watch now
Bacterial cell walls, antibiotics and the origins of life 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 | 3 years ago | 525 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
Purcell 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 | 8 years ago | 948 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
Can the wheat 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 | 3 years ago | 709 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
Merrel 00:07:00

Cape Gannets

by Sarah Merrel
Cape Gannets
for 14-19 and upwards,
Undergraduate presentations | 14-19 and upwards | 8 years ago | 934 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
Cloning 00:29:00

Cloning

by Various Presenters
Cloning
for 14-19 and upwards,
Discussions | 14-19 and upwards | 5 years ago | 11180 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
Wilmut 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 | 8 years ago | 679 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
Cuckoos 01:14:00

Cuckoos and their victims

by Nick Davies
Cuckoos and their victims
for 14-19 and upwards,
Lectures | 14-19 and upwards | 3 years ago | 599 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
Hearnden bubbles 00:09:00

Curing Cancer with Bubbles – Fact or Fiction?

by Vanessa Hearden
Curing Cancer with Bubbles – Fact or Fiction?
for 14-19 and upwards,
Lectures | 14-19 and upwards | 9 years ago | 743 views
Rating:

Anti-cancer drug delivery with polymer bubbles.

More details | Watch now
Wilson 01:12:00

Darwin’s Four Great Books

by Edward Wilson
Darwin’s Four Great Books
for 14-19 and upwards,
Lectures | 14-19 and upwards | 9 years ago | 1050 views
Rating:

A lecture given as part of the Origins 09 series at Florida State University to celebrate the 150th anniversary of Darwin's 'On the Origin of Species'. Now in his 80th year, Alabama-born Edward Osborne (E.O.) Wilson has long enjoyed a reputation as ....

More details | Watch now
Attenborough - Darwin 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 | 9 years ago | 1265 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.

More details | Watch now
Hall-Spencer 00:33:00

Deep sea discoveries

by Jason Hall-Spencer
Deep sea discoveries
for 14-19 and upwards,
Lectures | 14-19 and upwards | 8 years ago | 1653 views
Rating:

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....

More details | Watch now
Fischer 00:05:00

Edmond Fischer

by Edmond Fischer
Edmond Fischer
for 14-19 and upwards,
Interviews | 14-19 and upwards | 9 years ago | 904 views
Rating:

Winner of the Nobel Prize 1992 in Medicine / Physiology together with Edwin G. Krebs 'for their discoveries concerning reversible protein phosphorylation as a biological regulatory mechanism'

More details | Watch now
Stevens-Smith 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 | 7 years ago | 695 views
Rating:

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

More details | Watch now
Hutchinson 00:14:00

Entomologist

by Rob Hutchinson
Entomologist
for 14-19 and upwards,
Careers | 14-19 and upwards | 9 years ago | 7713 views
Rating:

Rob Hutchinson is an entomologist and one of the top mosquito experts in Europe whose work assesses the risk of Malaria returning to UK. He has developed a great interest in mosquito biology and did a masters degree at the School of Tropical Medicine....

More details | Watch now
Garcia 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 | 7 years ago | 791 views
Rating:

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

More details | Watch now
Rutherford 00:30:00

Evolution and Creationism

by Adam Rutherford
Evolution and Creationism
for 14-19 and upwards,
Lectures | 14-19 and upwards | 8 years ago | 706 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....

More details | Watch now
esophagus - Beckett 00:05:00

Fibroblasts and Oesophageal Cancer

by Sam Beckett
Fibroblasts and Oesophageal Cancer
for 14-19 and upwards,
Lectures | 14-19 and upwards | 6 years ago | 3309 views
Rating:

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

More details | Watch now
Maynard-Smith flight 00:29:00

Flight in Birds and Aeroplanes

by John Maynard Smith
Flight in Birds and Aeroplanes
for 14-19 and upwards,
Lectures | 14-19 and upwards | 9 years ago | 963 views
Rating:

John Maynard Smith, one of our most eminent evolutionary biologists and scientific communicators originally trained as an engineer and spent the war years designing aircraft. He describes the way that flight developed in the animal kingdom. The fossi....

More details | Watch now
Sanger 00:21:00

Fred Sanger – Father of Molecular Biology

by Fred Sanger
Fred Sanger – Father of Molecular Biology
for 14-19 and upwards,
Lectures | 14-19 and upwards | 9 years ago | 4393 views
Rating:

Fred Sanger is often considered the father of modern molecular biology, and is one of the few people to have been awarded two Nobel prizes. Working in Cambridge he developed a new chromatographic method for determining amino-acid end-groups. His n....

More details | Watch now
From Bench to Bedside 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 | 5 years ago | 702 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

Items per page: