Photo of the Day #90: Amur Tiger

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Sorry for the lack of updates, everyone. I caught a pretty nasty cold over the weekend that knocked me on my butt and kept my updates to a minimum (plus I've been petsitting and not actually home since Christmas, so computer access has been a little spotty). I've also been working very hard on an updated and revised version of my essay on human evolution that is going to appear in The Open Laboratory, and while I would really liked to have added in even more references and resources than I already have, if I did I fear that the essay would become a book in its own right. Still, I've got some finishing touches to do on a post about whether Cope's Rule (the tendency for certain lineages to increase in size over time) is a real phenomenon or not as well as some book reviews for some recent arrivals, so things should be back to normal soon. I just want to be over this cold; I took the ability to breathe through my nose for granted until I could not do it anymore.

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This is probably outside your field of interest, but some biologists at Purdue and Texas U came out with some pretty darn neat insights into the possibilities of RNA evolution last week: all from studying ancient fungus. Seemed pretty revolutionary stuff in the origins of life debate, and I'm surprised that it went relatively unsung.

I did my best to try and explain the rationale for how we can potentially map the past even without fossils, but neither my artistic skills nor my taxonomy are likely up to the task.