dr nias he listens to her she's one of the few who understand what women like serif are going through. today in global ideas we have a report from kenya. bio gas made of cal manure reduces reliance on firewood and charcoal which helps tackle deforestation our reporter yuliya henry waxman met with farmers who've installed bio gas plants and found out how they're not only saving money but also protecting the environment. it takes a week to build a plant like this one soon it will be ready to accommodate cow manure. and off to two more weeks these dairy farmers will have that own supply of bio gas the plant was a major investment for the couple. well did you. and that i threw in the mail got it into the book and it will help you afford. to cause we'll be here in the money to get that money. a german ngo called atmosphere and its local partner sustainable energy strategies help set up this bio gas plant and eight hundred more across campbell county near the kenyan capital nairobi. but if you've got an hour with such facilities we can make use of the cow dung that's produced every day in g

dr. bernard. one of the things we talked about to the visit to west virginia university is the work that is being done with the other institutes at nih in conjunction with nia, national institute of aging, different aspects of alzheimer's. for instance, it was mentioned there's a possible connection of low blood pressure and decreased cognitive impairments. can you talk about what kind of knitting you are doing at the institute of aging when you're looking at research across the spectrum of any age? >> it is very important question and part of the success we are going to have in addressing alzheimer's or other complex problems is to root the best talent in the diverse area of science and ortiz . along the lines of the previous conversation, over the past four years, about one quarter of all of the awards have gone to early-stage investigators and about one third on new to the field investigators, whenever you applied, and last year particular program invited grantees of all institutes whose research was not alzheimer's directed, but who opposed a supplement to bring the creativity and technology ingenious to the field to do so. last year we awarded 300. thi