Topic: Christopher Clark
Pulsing sounds made by technology used to monitor fish stocks may affect how baleen whales communicate, even at great distances.. . Marine...
Whereas traditional Marxist analysis oversimplifies class and modern economists often use abstractions, Johnson's categories "permit analysis of the experiences and interrelations of real economic groups" (p. According to Johnson, many previous historians contended that normless, transitory individuals were more likely to ...
In the Gulf of Mexico, oil has fouled a key habitat of one of the most impressive creatures on Earth: A group of about 2000 of these whales, which are listed as endangered in the United States, regularly ply the continental shelf ...
To cope with the blitzing level of noise in today's oceans, North Atlantic right whales are calling louder to each other. Susan Parks of Pennsylvania State University in University Park and colleagues set out to record both the whales' calls and ...
The noise in the Pacific off the southern California coast has become 10 times louder over the past five decades because of the rumbling of commercial shipping vessels, the clicking of oceanographic research equipment, and the din of Navy operations and sonar ...
IRON KINGDOM by Christopher Clark Penguin/Allen Lane, Thirteen years ago, I was driving with a German friend through the Russian city of Kaliningrad (until 1945 the east Prussian city of Konigsberg) when my friend said, 'There's the old German army ...
Share | By selectively removing feathers, researchers have shown that a species of hummingbird produces loud chirps non-vocally by rapidly fluttering its tail. " write Christopher Clark and Teresa Feo, zoologists at the University of California in Berkeley and authors of a study reported ...
5/9/2007 Print E-mail Electroencephalogram (EEG), an 80-year-old technology that measures brain activity, offers a highly accurate means of diagnosing early Alzheimer's disease, a team of U.S. researchers report.. Their tests on 71 patients found EEG to be 82 ...
