Wednesday, May 22, 2013
…on a ship off Hawaii,
Christopher Clark lowers
a special microphone into
the ocean to listen to
whales singing. He also
analyzes secret recordings
from hundreds of ocean
microphones the navy
uses to track enemy
submarines.
A photo-illustrated, older elementary/middle science book, published by Houghton Mifflin as part of their “Scientists in the Field” series. Available in paperback as well.
You must be logged in to post a comment.