Brightsurf Science News & Current Events

November 07, 1996
Vaccination Can Prevent Death And Disease Without Killing A Virus
Scientists may want to rethink the current theory that to be effective, vaccines must completely eliminate an invading virus.

Ancient Indians In Iowa May Have Grown Weeds As Crops, Scholar Says
Had history gone another way, traditional American Thanksgiving Day dinner might have included dishes made from common weeds.

Icing Still Poses Threat To Small Planes Despite Redesign Of Deicing 'Boot'
In severe conditions, the formation of ice on the wings of small commuter aircraft can compromise the safety of passengers and crew, says a University of Illinois researcher

Study Examines How Mechanisms Evolve To Regulate Bee Development
With a little hormone jump start from researchers, male honey bees, known as drones, whose only job is having sex, get to work early.

Latchkey Youth At Much Greater Risk For Alcohol And Drug Use
About half of middle-school-age kids routinely spend time home alone after school, according to estimates.

Using Starter Fertilizer On No-Till Corn Increases Yield, Study Shows
Using a starter fertilizer with a nitrogen-phosphate blend on three Illinois no-till farming sites increased yields dramatically over three years -- more than covering initial investment costs

Why Women Bleed: U-M Study Suggests New Explanation For One Of Reproductive Biology's Most Persistent Puzzles.
The cyclical growth and retreat of the endometrium, the lining of the uterus, consumes less energy than keeping the blood-rich lining in a steady-state of readiness to receive an embryo.

Lowering Applications Of Nitrogen Fertilizer Can Boost Profits
Studies on nitrogen fertilizer use on Illinois farms show that seed corn grown in sandy soils does better with a lot less nitrogen, and that too much nitrogen on some fields is accumulating in microorganisms -- not the soil itself

Study By Emory University Researchers Characterizes Nature Of Firearm Injuries
A detailed picture of firearm injuries suffered in three American cities appears in this week's New England Journal of Medicine.

Mechanical Air-Hockey Player Advances Quest For Intelligent Machines
Robotics researcher Mark Spong at the University of Illinois has taught a robot to play air hockey.

Means To Predict Which HIV+ Infants Will Rapidly Develop AIDS Outlined By Emory University Researchers
The identification of a way to single out those HIV+ infants at highest risk for the rapid and aggressive development of AIDS means that doctors may not target these babies for early, powerful therapies, report Emory University researchers in this week's New England Journal of Medicine.

High-Tech Hard Hat Can Record, Photograph And Send And Receive Data
An innovative computerized piece of headgear -- a digital hardhat -- can protect workers and improve the quality of work at construction sites, says a University of Illinois researcher.
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