A good alternative is American Scientist http://www.americanscientist.org/.
published by Sigma Xi, The Scientific Research Society. It only comes out bimonthly but is $28 a year.

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Orion Pozo, Collection Manager for Engineering
NCSU Libraries
Email:  orion_pozo@ncsu.edu
AOL IM: FOrionPozo
Tel: 919-515-7557  Fax: 919-513-1108
Box 7111,  2205 Hillsborough St.
NC State University, Raleigh, NC 27695

NCSU Libraries Physical & Engineering Sciences News - http://www.lib.ncsu.edu/news/pes.php
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