News & AnalysisFALL MEETING OF THE AMERICAN GEOPHYSICAL UNION

Snapshots From the Meeting

See allHide authors and affiliations

Science  21 Dec 2012:
Vol. 338, Issue 6114, pp. 1523
DOI: 10.1126/science.338.6114.1523-b

You are currently viewing the summary.

View Full Text

Log in to view the full text

Log in through your institution

Log in through your institution

Summary

These snapshots include new evidence that changes in the appearance of martian gullies from year to year are the result of carbon dioxide frost (aka dry ice) and that geological barriers delayed an earthquake by temporarily holding back injected wastewater from fracking.