Volcanic eruptions and cold summers leave lasting marks in the wood of northern trees, unlocking the secrets of past climate extremes.

gemstones and fashion jewelry. Shop the Blue Nile Early Holiday Sale Thinking of popping the question? Blue Nile is also unrivaled in its engagement ring selection, making it easy to pick out a ...

It has become popular that gemstones can bring life and character to engagement rings. 1. Sapphire-Sapphires with their rich blue hues are timeless. They represent wisdom and loyalty. Princess ...