Ministers who oversee the European Space Agency’s (ESA’s) budget and programs on Wednesday extended a freeze on space science spending for another 4 years, despite warnings that such a move would imperil several of ESA’s ambitious plans for the next decade.
Monthly Archives: May 1999
The self-starters of the cell, enzymes kick a host of crucial reactions into action. Now it turns out that some of them need a little help to get going. In this week’s Science, scientists report that an enzyme responsible for sopping up dangerous free radicals won’t work until small proteins deliver its catalytic copper ion. [...]