Emerging Trends in Comet Taxonomy. “Emerging trends and a comet taxonomy based on the volatile chemistry measured in thirty comets with high-resolution infrared spectroscopy between 1997 and 2013.” in IcarusCycles of Glaciation on Ancient Mars. “Climate Cycling on Early Mars Caused by the Carbonate-Silicate Cycle” in Earth and Planetary Astrophysics.Methane Muted: How Did Early Earth Stay Warm?. “A proper accounting of biogeochemical cycles in the oceans reveals that methane has a much more powerful foe than oxygen.” in PNAS
Emerging Trends in Comet Taxonomy“Emerging trends and a comet taxonomy based on the volatile chemistry measured in thirty comets with high-resolution infrared spectroscopy between 1997 and 2013.” in Icarus01/03
Cycles of Glaciation on Ancient Mars“Climate Cycling on Early Mars Caused by the Carbonate-Silicate Cycle” in Earth and Planetary Astrophysics.02/03
Methane Muted: How Did Early Earth Stay Warm?“A proper accounting of biogeochemical cycles in the oceans reveals that methane has a much more powerful foe than oxygen.” in PNAS03/03
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June 2009Is amino acid racemization a useful tool for screening for ancient DNA in bone?

Collins, M. J., Penkman, K. E. H., Rohland, N., Shapiro, B., Dobberstein, R. C., Ritz-Timme, S., & Hofreiter, M. (2009). Proceedings of the Royal Society B: Biological Sciences, 276(1669), 2971–2977. doi:10.1098/rspb.2009.0563

A Field-Based Cleaning Protocol for Sampling Devices Used in Life-Detection Studies

Eigenbrode, J., Benning, L. G., Maule, J., Wainwright, N., Steele, A., & Amundsen, H. E. F. (2009). Astrobiology, 9(5), 455–465. doi:10.1089/ast.2008.0275

REVEALING THE STRUCTURE OF A PRE-TRANSITIONAL DISK: THE CASE OF THE HERBIG F STAR SAO 206462 (HD 135344B)

Grady, C. A., Schneider, G., Sitko, M. L., Williger, G. M., Hamaguchi, K., Brittain, S. D., … Ablordeppey, K. (2009). The Astrophysical Journal, 699(2), 1822–1842. doi:10.1088/0004-637x/699/2/1822

High precision SIMS oxygen isotope analysis and the effect of sample topography

Kita, N. T., Ushikubo, T., Fu, B., & Valley, J. W. (2009). Chemical Geology, 264(1-4), 43–57. doi:10.1016/j.chemgeo.2009.02.012

Atmospheric pressure as a natural climate regulator for a terrestrial planet with a biosphere

Li, K-F., Pahlevan, K., Kirschvink, J. L., & Yung, Y. L. (2009). Proceedings of the National Academy of Sciences, 106(24), 9576–9579. doi:10.1073/pnas.0809436106

Herminiimonas glaciei sp. nov., a novel ultramicrobacterium from 3042 m deep Greenland glacial ice

Loveland-Curtze, J., Miteva, V. I., & Brenchley, J. E. (2009). INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY, 59(6), 1272–1277. doi:10.1099/ijs.0.001685-0

Comment on "Experimental Test of Self-Shielding in Vacuum Ultraviolet Photodissociation of CO"

Lyons, J. R., Lewis, R. S., & Clayton, R. N. (2009). Science, 324(5934), 1516–1516. doi:10.1126/science.1167717

Micro- and nano-scale ultrastructure of cell walls in Cryogenian microfossils: revealing their biological affinity

MOCZYDŁOWSKA, M., Schopf, J. W., & Willman, S. (2009). Lethaia, 43(2), 129–136. doi:10.1111/j.1502-3931.2009.00175.x

Activity of comets at large heliocentric distances pre-perihelion

Meech, K. J., Pittichová, J., Bar-Nun, A., Notesco, G., Laufer, D., Hainaut, O. R., … Lowry, S. C. (2009). Icarus, 201(2), 719–739. doi:10.1016/j.icarus.2008.12.045

Development of the rhopalial nervous system in Aurelia sp.1 (Cnidaria, Scyphozoa)

Nakanishi, N., Hartenstein, V., & Jacobs, D. K. (2009). Dev Genes Evol, 219(6), 301–317. doi:10.1007/s00427-009-0291-y