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Tremors in the Air
June 27, 1998
| Volume 153 | Number 26
Cover: Whether atmospheric
conditions are cloudy or clear, a smooth flight can
quickly turn into a roller coaster ride. Scientists are working to
provide more
accurate warning of turbulence.
|
Features:
MathTrek TimeLine Food for Thought Science Safari
 Click on
this icon listed by each
article
to get full references and sources. |
News of the
Week:
Feathered Dinosaurs
Found in China
Two new
species of dinosaurs bearing feathers support the idea that birds arose from
dinosaurs.
Fish eavesdrop on nearby fights
The outcome of clashes viewed by male fighting fish
influence their willingness to approach each of the contenders.
Two teams find planet orbiting nearby star
One of the sun’s nearest neighbors—a star just 15
light-years from Earth—possesses a planet at least 1.6 times as massive as
Jupiter.
Cesarean
+ AZT = Almost no HIV transmission
Mother-to-child transfer of HIV can be virtually
eliminated by having the mother take AZT and give birth by planned cesarean
section.
New tags may help diagnose
turtle losses
Tiny, biodegradable surgical screws can affix radio
transmitters to the backs of leatherback sea turtles and help biologists chart
the treks of this endangered species.
Playing ball with new carbon molecules
A fullerene molecule smaller than the buckyball makes
its debut, while a new separation technique offers a practical way to study
larger carbon molecules.
Ancient Mesopotamians made rock from silt
Residents of a second-millennium-B.C. Mesopotamian city
transformed soil into synthetic basalt for constructing buildings and grinding
grain.
Ultrasound prevents blood loss in surgery
Animal studies indicate that high-intensity, focused
ultrasound can stop bleeding in the liver.
Research Notes
Earth Science
Seabed seismic scan shows melt zone
Seismic monitoring beneath the East Pacific Ridge has
provided the first detailed images of a region where rock melts and rises to
form new seabed crust.
An ever taller Everest?
Measurements from a Global Positioning System receiver
positioned near Everest's peak may determine whether the mountain is growing
taller.
Articles:
Clearing the Air About Turbulence
A fearful flier's
foray
Scientists are testing new ways to forecast air
turbulence more accurately and provide more timely warnings for crews and
passengers.
Letters: A Selection from Letters to the Editor
