Understand the fundamental difference between horizontal and vertical geographical positioning. Learn how latitude and altitude work together to define location.
Explore the history of Groundhog Day, from European weather lore to American tradition, and discover if this annual weather prediction holds any scientific merit.
Learn why rectal temperature is the most accurate way to measure core body heat, how to perform the procedure correctly, and interpret the precise readings.
Is natural pregnancy possible after menopause? Explore the biological impossibility, the perimenopause distinction, and the reality of medical intervention.