Green oceans on early Earth, shaped by iron, pushed microbes to evolve light-absorbing tools that worked in green light.

Here, we rounded up the best marble nail art to recreate yourself or bring as inspiration to your next nail appointment. Beauty One of the most classic nail looks of all time is a white manicure.

She mixes marble patterns for a more dynamic appeal — using a hexagonal pattern on the floor, a blue-and-white mosaic behind ...