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Observatory: Sonar Can Cause Temporary Deafness in Dolphins

Apr. 13, 2009
Sonar has been implicated in some strandings of whales and dolphins, but the mechanism by which acoustic pings might cause disorientation is uncertain.
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President Obama awards the Presidential Medal of Freedom in Washington
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President Barack Obama awards the the Presidential Medal of Freedom to singer/songwriter Bob Dylan during a ceremony in the East Room at the White House in Washington on May 29, 2012. The Medal of Freedom is our NationÕs highest civilian honor, presented to individuals who have made especially meritorious contributions to the security or national interests of the United States, to world peace, or to cultural or other significant public or private endeavors. UPI/Kevin Dietsch