Continental microbes helped seed ancient seas with nitrogen

Like our oceans, today's continents are brimming with life. Yet billions of years ago, before the advent of plants, continents would have appeared barren. These apparently vacant land forms were believed to play no role in ...

Photosynthesis in plants key to speedy evolution

In a study of 11 different plant species, published in Molecular Biology and Evolution, researchers at the University of Oxford have shown that the speed at which plants evolve is linked to how good they are at photosynthesis.

New source of global nitrogen discovered

For centuries, the prevailing science has indicated that all of the nitrogen on Earth available to plants comes from the atmosphere. But a study from the University of California, Davis, indicates that more than a quarter ...

Heavy nitrogen molecules reveal planetary-scale tug-of-war

Nature whispers its stories in a faint molecular language, and Rice University scientist Laurence Yeung and colleagues can finally tell one of those stories this week, thanks to a one-of-a-kind instrument that allowed them ...

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