Introduction Nous tenons a remercier explicitement les autorites de Karnak : Mostafa al-Saghir, directeur general Karnak et l’avenue des sphinx Fawzy Helmi Wakil, du temple Karnak, pour leur soutien. Notre gratitude va egalement Madame Ghada Ibrahim Fouad, directrice missions etrangeres Karnak. souhaitons tout particulierement le magasins Ahmed Do...

Why did a minor math error that would occur only once every 27,000 years so enrage customers that it briefly threatened to derail Intel's Pentium chip? And how could a feature as trivial as an inexpensive cup holder swing millions of customers to purchase a $17,000 automobileparticularly when only three years later, the same cup holder had hecome almost invisible to buyers? Is it possible to de...

Of all the scientific discoveries of the last year one stands pre-eminent, not only from its scientific importance, but als? from the great public interest it has excited. I refer to discovery by Mons. and Madame Curie of radium. Thl5 discovery was not like that of the Rontgen rays suddenly, but had been led up to by the researches 0 Becquerel and of Rontgen, and was ultimately due to ^e painst...

The discovery of radium by Madame Curie in 1898 opened up a field of physical research the limits of which it is impossible to see. Although it was found at an early stage that radium had a definite action upon living tissues, this appeared to be purely destructive, and it is only recently that the selective action of radium upon cancer cells has been adequately demonstrated. Depending as it do...