Uncategorized
-
HumansFederal Citizen Information Center
This unit of the U.S. government provides practical guides and fact sheets, most of which are free, on a variety topics related to particular aspects of health, food, computers, and more. Recent free documents include “Sleep Disorders,” “Sunscreens and Tanning,” and “Internet Auctions: A Guide for Buyers and Sellers.” Go to: http://www.pueblo.gsa.gov
By Science News -
EarthAsh Detector: Laser device could protect aircraft in flight
Analysis of a volcanic plume that wafted over central Alaska suggests that polarized laser beams can detect airborne ash, which can be a threat to aircraft.
By Sid Perkins -
Health & MedicineDiabetes from Depression: Older adults face dual risk
Adults 65 and older who report depressive symptoms are 50 to 60 percent more likely to develop diabetes than are their peers.