Some pics from my son’s fifth birthday party – chemistry & geology focused (we may sample microbes later …). For the geology part we cracked open geodes. For the chemistry part, we played with citric acid, baking soda, some dyes, and other things …
This is from the “Tree of Life Blog”
of Jonathan Eisen, an evolutionary biologist and Open Access advocate
at the University of California, Davis. For short updates, follow me on Twitter.