Examine your fingers. Which is longer? Is it the index finger (the finger you use to point with – technically the second digit, or 2D, counting the thumb), or the ring finger (the fourth digit, or 4D) ...

If you've chosen to shop online for a ring either because you want something hand-crafted from a unique material, or you just dislike jewelry chains, their prices, and their sales tactics, you'll ...

While this football player’s arms may look like they give him an onfield advantage, his fingers may actually be more predictive of his athletic ability. Ostill/Shutterstock.com Examine your fingers.