Uncategorized

  1. Humans

    Letters from the September 10, 2005, issue of Science News

    Pennies in heaven? Why slam a copper impactor into Comet Tempel 1 (“A Grand Slam: In a winning move, NASA probe burrows into a comet,” SN: 7/9/05, p. 22)? Wouldn’t copper vapor contaminate the spray? Why not a high-temperature ceramic? P.M. deLaubenfelsCorvallis, Ore. According to Casey Lisse of the Deep Impact team, copper was chosen […]

    By Science News

  2. ***Notice to Subscribers in Areas Affected by Hurricane Katrina***

    The U.S. Postal Service has asked magazine publishers to suspend subscription mailings to areas that were damaged by Hurricane Katrina. Science News subscribers in those areas won't be charged for issues that are withheld, and their subscriptions will be extended.