- Devonian rise in atmospheric oxygen correlated to the radiations of terrestrial plants and large predatory fishTais W Dahl
Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA 02138, USA
Proc Natl Acad Sci U S A 107:17911-5. 2010..It also correlates with a pronounced radiation of large predatory fish, animals with high oxygen demand. We thereby couple the redox history of the atmosphere and oceans to major events in animal evolution...
- Long-running German panel survey shows that personal and economic choices, not just genes, matter for happinessBruce Headey
Melbourne Institute, Melbourne University, Parkville, Victoria 3052, Australia
Proc Natl Acad Sci U S A 107:17922-6. 2010..Data come from the German Socio-Economic Panel (1984-2008), a unique 25-y prospective longitudinal survey. This dataset enables direct tests of theories explaining long-term happiness...