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Science News for August 2, 2000


New method speeds planning of space missions

A new mathematical technique developed by Purdue University engineer James Longuski has significantly reduced the time required to plan space missions. By using a graphical representation of possible paths and automating calculations with software program STOUR, engineers can quickly identify optimal routes for spacecraft travel.

Study warns about rise in childhood trauma cases

A University of Alberta researcher found that childhood trauma has risen markedly faster for girls than boys, leading to increased rates of depression and potentially unhealthy adulthood. The study's findings suggest a link between childhood trauma and later difficulties, including psychiatric symptoms and social problem behavior.

SourceUniversity of Alberta·JournalCanadian Journal of Public Health·DateAug 2, 2000