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How do we know what conditions were like on Earth millions of years ago? On February 12, at 11 a.m. and 2:00 p.m., Smithsonian paleobiologist, Brian Huber, explains how studying the shells of tiny organisms called foraminifera, forams for short, tell big stories about climate change. Because they take on the chemistry of the surrounding environment, forams reveal secrets about ancient oceans and highlight extinction events. Lesson plans and click-through activities are available.
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Top new questions this week: Can I delete old hook_update_N functions? Suppose you have a custom module, and you have hook_update_N() implementations in your .install file. If you have old update functions, and all updates have run in all sites that the module is ... node-update hook-update-n asked by AyeshK ...
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