Editor’s note: Today, the reciprocal of the cyclically adjusted price earnings, or CAPE, ratio (1/CAPE) is the metric many investors use to estimate the long-term expected real return of the stock ...

If you've dabbled in investing, you've likely heard of the "Rule of 72." It's a back-of-the-envelope metric for calculating how quickly an investment will double in value. Most financial metrics are ...

The accuracy of estimation of kidney function with the use of routine metabolic tests, such as measurement of the serum creatinine level, has been controversial. The European Kidney Function ...