Cure for Dengue Fever? — Stopping Dengue Fever With Bacteria and Math

Given the current outbreak of Dengue Fever in Pakistan (mostly in Punjab at the moment), the following might be of interest.

Interesting article in Science Daily,

Stopping Dengue Fever With Bacteria and Math

It may be possible to eliminate the deadly dengue fever by infecting mosquitoes with a bacterium called Wolbachia that prevents the mosquitoes from transmitting the dengue virus to humans. A new mathematical model, developed by Nick Barton (Institute of Science and Technology, Austria) and Michael Turelli (University of California, Davis), may be helpful in getting the bacteria established in mosquito populations.

Abstract from Nature.com,
Successful establishment of Wolbachia in Aedes populations to suppress dengue transmission

From The American Naturalist,
http://www.jstor.org/pss/10.1086/661247

BookBoon: Free PDF Textbooks

Bookboon is providing free PDF textbooks in a number of subjects. The subjects include Engineering, Mathematics, Science, and more. Bookboon states “Our books are legal and written exclusively for Bookboon. They are financed by a few in-book ads.”
When you download a PDF, you have to give your email and as stated above there are in-book ads. From Bookboon’s Facebook Info page,

…
The books are all written by university professors and exclusively written for Bookboon.com. The books are secondary litterature and is aimed at asisting the student when studying for exams. The books are around 100-120 pages and aim at explaining the all the relevant parts of curriculum in a short and precise manner.
…
IMPORTANT: Ventus Publishing and Bookboon.com does not share any information about individuals with any of our advertisers. The advertisers have also had zero influence on the content of the books, in fact the books are written before any advertisers are contacted.

If you have questions to this application, feel free to contact us on bookboon@ventus.dk

In addition to Mathematics sections, there is a separate section for Calculus with a number of PDF books.

Einztein – Online Learning

Numerous free learning resources are now present on the web, and there are a number of search engines/websites trying to aggregate the resources in an easy to navigate format. Another entrant in collecting free learning resources is Einztein. Search by keywords, subjects, tags. Filter by university or media.
Einztein (Browse by subjects)

Related Post,
Resources 2/4: Open Learning

Is x = 3 the answer?

The problem is

What is the answer?

Khan Academy — Open Education

One Man Can Make A Difference
Khan Academy
http://www.khanacademy.org/

Youtube channel: http://www.youtube.com/khanacademy

Wonderful initiative by a dedicated individual helping others by providing free educational resources. Want to learn or brush up on core subjects like physics, chemistry, math (<– from basic arithmetic to precalc to calculus to advanced). Give this site a visit and also spread the word to other fellow learners.