Science, May 29, 2009

Cover
A close-up of the tropical coral Favia speciosa.
The position and age of related fossil corals have been used to
constrain the timing of sea-level rise during the penultimate deglacial
period. The timing of past sea-level change, relative to potential
forcings, can help determine the mechanisms of climate change and the
speed of ice sheet collapse.

Biologists Struggle to Solve Bat Deaths
An epidemic
has stricken the northeastern United States for 3 years. As it spreads,
researchers wonder whether a white fungus is the real killer.

Gut Reactions
A young microbial ecologist is helping to transform medical microbiology into a modern interdisciplinary science.

Obama Moves to Revitalize Chesapeake Bay Restoration
With
progress stalled for years, the U.S. Environmental Protection Agency is
taking the reins on cleaning up the largest estuary in the United
States. It's not going to be easy.

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