Searching for a better mosquito repellent

sea-maid submitted, created time 6 months 1 day (www.pnas.org)

Most people in hot places--or even just hot weather--are troubled by mosquitos. What is an annoyance in some parts of the world, however, can be fatal in others. In this stuty, the scientists point out that it is necessary to search for more effective repellents, one of which is introduced in this article, lasting a record 85 days!

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Malaria: The big push

davidd submitted, created time 9 months 4 days (www.nature.com)

Zambia sees nearly four million cases of malaria diagnosed each year, and some 50,000 deaths, mostly among children. Two years ago, its Ministry of Health embarked on an ambitious plan to cut the incidence of malaria by 75%. They developed a efficient strategy which may spread in their neighbor countries successfully.

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