NASA Pinning Down 'Here' Better Than Ever
Before our Global Positioning System (GPS) navigation devices can tell us where we are, the satellites that make up the GPS need to know exactly where they are.
Ancient Arabic writings help scientists piece together past climate
Iraqi sources from 9th and 10th centuries give new meteorological insights
Math can save Tylenol overdose patients
New way for doctors to predict who needs liver transplants
Airflow Obstruction and Reduced Lung Function Increase the Risk of Heart Failure
Low spirometry readings are 'strongly predictive'