Selected articles from the current issue of The American Institute of Aeronautics and Astronautics' journal Aerospace America are now available free online. The journal is intended for those in the aviation and defense industries.

The Lawrence Livermore National Laboratory in California is a government organization that produces the monthly Science & Technology Review in print and online. Its aim is to convey to the public its "scientific and technological accomplishments in support of national security and other national needs." Recent issues have featured articles such as "Narrow Uncertainties" about climate modeling...