In 2009, the ECHO (Education through Cultural and Historical Organizations) Partners hosted a national symposium held at the Exploratorium to discuss the effects of climate change on the planet. You can watch archived webcasts of the symposium.
Explore the surrounding sounds that everyday objects make. Build a noise contraption from these objects, then add a PicoCricket to automate your contraption. Finally, add a light sensor and program your sound automata to "play" when triggered by light.
In February 2009, the Exploratorium hosted Darwin Days, a series of presentations, debates, and discussions exploring the ways scientists continue to learn from and apply their knowledge of evolutionary biology to a broad range of pursuits.