The California Digital Library announced that they are developing an extension for Microsoft Excel that allows science researchers to manage and share their data sets. Find out more about the project at the Digital Curation for Excel Project (DCXL) blog: http://dcxl.cdlib.org/. Project developers are currently taking input from researchers via Twitter: http://twitter.com/dcxlCDL.

Why is data curation important? This page on the DataCite website has a good answer.

What incredible potential for data reuse. What new discoveries might we enable? What new services will be created if we facilitate open data exchange?