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Keeping the young Earth cosy

Fluctuating nitrogen levels may help to keep Earth habitable across eons.

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  1. Goldblatt, C. et al. Nat. Geosci. advance online publication doi:10.1038/ngeo692 (2009).

  2. Li, K-F., Pahlevan, K., Kirschvink, J.L. & Yung, Y.L. Proc. Natl Acad. Sci. USA 106, 9576-9579 doi:10.1073/pnas.0809436106 (2009).

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Schiermeier, Q. Keeping the young Earth cosy. Nature (2009).

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