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Nearly every element in your body except hydrogen was forged by stars—the calcium in your bones and much of the iron in your blood came through ancient supernovae, while the hydrogen flowing through you was born before the first star existed.

Nearly every element in your body except hydrogen was forged by stars—the calcium in your bones and much of the iron in your blood came through ancient supernovae, while the hydrogen flowing through you was born before the first star existed.

Hydrogen predates the stars, while generations of stellar fusion, supernovae and galactic recycling supplied the heavier elements now arranged into living bodies. The post Nearly every element in your body except hydrogen was forged by stars—the calcium in your bones and much of the iron in your blood came through ancient supernovae, while the hydrogen flowing through you was born before the first star existed. appeared first on Space Daily .