87 results found for biology

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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 | 2 years ago | 781 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.

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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 | 8 years ago | 906 views
Rating:

Dr Liss investigates Parkinson's disease with genetics

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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 | 2 years ago | 615 views
Rating:

Intracellular synthesis is immensely fast and complex.

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Hill 00:10:00

Anti-oxidants

by Ryan Hill
Anti-oxidants
for 14-19 and upwards,
Lectures | 14-19 and upwards | 7 years ago | 787 views
Rating:

Anti-oxidants and their importance in diet

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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 | 2 years ago | 368 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....

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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 | 7 years ago | 752 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....

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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 | 2 years ago | 489 views
Rating:

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

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Merrel 00:07:00

Cape Gannets

by Sarah Merrel
Cape Gannets
for 14-19 and upwards,
Undergraduate presentations | 14-19 and upwards | 7 years ago | 722 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.

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Cloning 00:29:00

Cloning

by Various Presenters
Cloning
for 14-19 and upwards,
Discussions | 14-19 and upwards | 4 years ago | 9567 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?

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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 | 6 years ago | 499 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....

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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 | 2 years ago | 438 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....

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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 | 8 years ago | 599 views
Rating:

Anti-cancer drug delivery with polymer bubbles.

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