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August 03, 2011
WASHINGTON -- NASA will host a news briefing on Thursday, Aug. 4, at 11 a.m. PDT (2 p.m. EDT) about a significant new Mars science finding. The briefing will be held at NASA Headquarters in Washington.
- Geomicrobiology of sulfate-reducing microorganisms
- Biotic and abiotic fractionation of sulfur isotopes in modern and ancient oceans and lakes
- Influence of wildfire on carbon isotopic excursions during the Cretaceous
- Fate of complex organic molecules on the surface of Mars