Seen in the exihibition room at SETIcon
Yes, that is what you think it is:
Romulan Ale from Rocket Fizz
More like this
There has always been Oxygen on the earth, but it was not floating around free in the atmosphere as it is today (most of it still isn't).
While I was away, the rest of the geoblogosphere spent some time creating a list of 50 minerals to see before you die, and then ticking off which ones they've done; Dave Schumaker put together a neat
Posting will be slow for a couple days, as I hop on the Eurail tomorrow and travel to Brussels.
At least, it's not snowing. Let's celebrate with some links. Science: