Recent experiments and simulations are starting to answer some fundamental questions about how life came to be.
Image credit: Shutterstock/Radoslaw Lecyk.
Edited by Jean-Pierre Bocquet-Appel, Ecole Pratique des Hautes Etudes, Paris, France, and accepted by the Editorial Board May 21, 2015 (received for review February 25, 2015)
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- Published in issue July 7, 2015.
- Published first June 22, 2015.
Author Information
- aDepartment of Philosophy, History, Culture and Art Studies, University of Helsinki, FI-00014 Helsinki, Finland;
- bDepartment of Geosciences and Geography, University of Helsinki, FI-00014 Helsinki, Finland;
- cClimate Change Research Unit, Finnish Meteorological Institute, FI-00101 Helsinki, Finland;
- dDepartment of Physics, University of Helsinki, FI-00014 Helsinki, Finland
Edited by Jean-Pierre Bocquet-Appel, Ecole Pratique des Hautes Etudes, Paris, France, and accepted by the Editorial Board May 21, 2015 (received for review February 25, 2015)
Footnotes
- ↵1To whom correspondence should be addressed. Email: miikka.tallavaara{at}gmail.com.
Author contributions: M.T., M.L., and H.S. designed research; M.T., M.L., N.K., H.J., and H.S. performed research; M.T. and M.L. contributed new reagents/analytic tools; M.T., M.L., N.K., and H.J. analyzed data; and M.T., M.L., N.K., H.J., and H.S. wrote the paper.
The authors declare no conflict of interest.
This article is a PNAS Direct Submission. J.-P.B.-A. is a guest editor invited by the Editorial Board.
This article contains supporting information online at www.pnas.org/lookup/suppl/doi:10.1073/pnas.1503784112/-/DCSupplemental.
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