Cetaceans—the technical term for whales and porpoises—can give scientists a fund of valuable information for developing our mechanical equipment, especially for target detection and identification, and for long-range underwater communication and navigation, stated Dr. Sidney R. Galler, head of the biology branch of the biological sciences division, Office of Naval Research…. The...
Letters to the Editor
Seeing ice In the photo series shown in “Taking Antarctica’s temperature”(SN: 7/27/13, p. 18), the ice appears to be increasing from January to April as one would expect in the Southern Hemisphere. How does this demonstrate the rapid collapse of the Larsen B Ice Shelf?William Meadows, Dripping Springs, Texas
The satellite images show a large area of the Antarctic Peninsula; the Larsen B...
The most common kind of Martian meteorite. First discovered in Shergotty, India, in 1865, these rocks originally come from Martian volcanoes. Shergottites (one shown left) give geologists clues to the composition of Mars’ mantle, the layer beneath the crust. Geologists J. Brian Balta and Harry Y. McSween Jr. of the University of Tennessee say that data from...
Harold Harlan has been feeding bedbugs, intentionally, on his own blood since 1973. He keeps pint or quart jars in his home containing at least 4,000 bugs. And now Harlan’s self-sacrifice is helping other researchers studying the recent resurgence of bedbugs in the United States and other parts of the world.
For most of the first 25 years of this enterprise, Harlan (below) worked as a...
If you’re someone who enjoys being recognized, Julian Lim is your kind of waiter. Lim, who’s working his way through college waiting tables, remembers the face of everyone that walks through the door of the South Bend, Ind., restaurant where he works. His abilities go beyond making his customers feel special. This spring, when he cut his hand on broken glass, he pegged the emergency room nurse...