PLoS ONE Blog Pick of the Month for February 2010....

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BATS use sonar, or echolocation, to navigate complex environments, and also to forage and then accurately pinpoint the flying insects on which they prey.
While visiting Two Ponds, a wildlife refuge here in Arvada, I captured these wonderful butterfly images, earlier today:
This is the opening paragraph which gets you very interested in the topic.
This blog will now engage in twenty four hours of silence as a show of respect for the all those who have suffered at the hands religious zealots around the world and throughout history.