Nature has a lot to offer to humans. Most precious jewelry is made from metals and stones buried deep within the Earth’s surface but the discovery of these rare jewels is not just limited to land. The ...

Lab-grown pearls are the latest innovation in sustainable luxury. Discover how they're made, if they're real pearls, and why ...

For centuries, researchers have puzzled over how oysters grow stunningly symmetrical, perfectly round pearls around irregularly shaped grains of sand or bits of debris. Now a team has shown that ...

Mollusks maintain the symmetry of their pearls by adjusting the thickness of each layer of shimmering nacre. If one layer of the pearl’s nacre is thinner, the next layer is thicker and will balance ...

For thousands of years, pearls have been a prized gemstone used to craft jewelry and other adornments. But North America has ...