منابع مشابه
Missionaries and Cannibals in the Causal Calculator
A knowledge representation formalism is \elaboration tolerant" to the extent that it is convenient to modify a set of facts expressed in the formalism to take into account new phenomena or changed circumstances. John McCarthy illustrated this idea by deening 19 elaborations of the Missionaries and Cannibals Problem. We argue that, to a certain degree, the goal of elaboration tolerance is met by...
متن کاملHello World: Technology Missionaries to a Crowded Planet
This paper comments on the new Media Lab global initiatives such as the 2B1 Foundation, Center for Future Children, and Junior Summit. Ideas are presented for how existing Media Lab technologies can be integrated within the goals of these enterprises. These ideas are not necessarily limited to children and are mostly in the areas of health and education.
متن کاملCadmium a metalloestrogen: are we convinced?
Metalloestrogens are inorganic metal ions that bind to and activate oestrogen receptors. They are implicated in the aetiology of oestrogen-dependent diseases such as cancers of the breast and endometrium as well as endometriosis. Cadmium is one of the most studied metalloestrogens. In this review, scientific evidence for the oestrogenic effects of cadmium is critically evaluated to determine if...
متن کاملBenefits of bilingualism: Evidence from Mormon missionaries
Several studies have argued that learning a foreign language has the potential to increase the general cognitive ability and test scores of students. In this analysis, the Mormon missionary program is used to test whether or not students who were assigned to learn a foreign language performed better in college. The results indicate that the increase in GPA due to serving a Mormon mission is the...
متن کاملA survey of the health of British missionaries.
The results of medical examinations carried out on 212 missionary personnel from one missionary society returning on leave to the UK are presented. The great majority of missionaries worked in developing countries. They served in 27 countries altogether and for a total of 488 person years. The commonest illnesses reported overseas were malaria (87.3 per 1000 person years at risk), diarrhoea (63...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Chemical & Engineering News Archive
سال: 1969
ISSN: 0009-2347,2157-4936
DOI: 10.1021/cen-v047n008.p005