A Universe from Nothing: Why There Is Something Rather than Nothing

Looking sharp. This elegant shark tooth pendant by Emporio Armani features black onyx (40 mm) and the company's signature logo. Setting and chain crafted in stainless steel. Approximate length: 20 inches + 2-inch extender. Approximate drop: 1-1/4 inches.

Light as a feather, heavy fashion. Lucky Brand's chic frontal necklace features a three-row design combining semi-precious reconstituted turquoise stones, silver tone mixed metal chains and a detailed feather charm. Draped on a nylon cord. Approximate length: 36 inches. Approximate drop: 3-3/4 inches.

Effortless sophistication. This elastic stretch bracelet from Juicy Couture features a linked design accented with a single cubic zirconia stone. Crafted in silver tone mixed metal. Approximate diameter: 2 inches.

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