The ratio between index and ring finger is believed to be linked to exposure to testosterone in the womb.
Numerical digit | golden ratio | Golden ratio | aspect ratio | Digit Fund | Signal-to-noise ratio | Sharpe ratio | Receivables turnover ratio | Ratio Institute | ratio | Pelvic digit | numerical digit | MRC (Maximum Ratio Combining) | Monetae cudendae ratio | Maximal-ratio combining | Loan-to-value ratio | human sex ratio | Gear ratio | Fineness ratio | Digit ratio | Common-mode rejection ratio | Aspect ratio (wing) | Aspect ratio (image) | Aspect ratio |