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NASA's new strategy for space science offers a splendid promise. But will there be money in the budget to sustain it. And does it matter that it is given in the pursuit of "leadership"?
What happens when an explosive shell blows up, or when an array of galaxies is formed in a "big bang"? There will be fragments, but calculating their properties is a complicated matter.
Direct payment by patients for treatment with drugs still in development is the subject of controversy. The matter goes deeper than it might first appear.
Next week, over 16,000 scientists will travel to Las Vegas, Nevada for the annual meetings of the Federation of American Societies for Experimental Biology and the American Society for Biological Chemistry and Molecular Biology. Selections from the more than 450 companies with exhibit booths are described below.