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Science News for October 31, 1997


Study Detects Benefits From Effective Breast Self Examination

A recent study found that women who perform specific components of Breast Self Examination (BSE) may have a reduced risk of dying from breast cancer. The three key components associated with this benefit are visually examining the breast, using finger pads to examine the breast, and using three middle fingers to examine the breast.

SourceUniversity of Toronto·JournalCanadian Medical Association Journal·DateOct 31, 1997

New Ultrafine Metal Powder Production Process

Researchers at Penn State have developed a new process for producing ultrafine metal powders, including silver and nickel, using a laser, household blender, and inexpensive reaction materials. The process produces particles in the 1-100 nanometer range, smaller than bacteria or viruses, with improved purity and uniformity.

SourcePenn State·JournalJournal of Materials Science·DateOct 31, 1997

Diabetes-Related Blindness, Renal Failure Can Be Reduced

Researchers found that tightly controlling blood sugar levels can significantly decrease the lifetime risk of diabetes-related blindness for people with early-onset type 2 diabetes. For those who develop the disease at an age of 50-55 or earlier, maintaining a near-normal blood-sugar level can prevent vision and kidney problems.

SourceUniversity of Michigan·JournalAnnals of Internal Medicine·DateOct 31, 1997