‘Witch Weed’ – breaking the spell
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 nowBacterial cell walls, antibiotics and the origins of life
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 nowBody Fuel for Long Distances
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 nowCan the wheat which grows in dry areas solve the food crisis?
Chiho describes her important work in looking for varieties of wheat which could help increase food production in arid areas.
More details | Watch nowCape Gannets
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 nowCloning
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 nowCloning, stem cells and regenerative medicine
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 nowCuckoos and their victims
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