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Published daily in Bend, Oregon, by Western Communications, Inc. Copyright 2007.
By Randolph E. Schmid / The Bulletin
September 25, 2009
WASHINGTON — Millions of Monarch butterflies migrate to Mexico for the winter and scientists have long speculated about how the insects find their way. Turns out, their antennae are the key.
How do we know? Well, researchers painted butterfly antennae black, and the insects got lost.
Managing to....