I encountered this week's fossil at the AGU conference in San Francisco.  I love this peculiar specimen!  Is it a plant?  A seed?  An animal?  A fungus? Can you guess which era it dates from? 

When you take a good look at it, the answer is so obvious it might sting!  As always, the first person to identify it wins bragging rights for the week!

 

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This past Sunday, my favorite advice columnist, The Ethicist (whose column appears in The New York Times), considered an intriguing question. A parent from Cambridge, Massachusetts, wrote in, concerned that her daughter’s biology class had been asked to take a public action on climate change. The mother asked: “Is it ethical for the school to require students to speak publicly on a specific issue? Or even to give extra credit for doing so?

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This past week, I had the opportunity to dive into piles of fossils at the exhibit hall at the American Geophysical Union meeting in San Francisco. I was up to my neck in trilobites, coprolites, and polished coral. I figured many of these would be a little too easy for you, especially the coprolites (no offense), but I did find some really interesting and unique ones that might challenge your brain a bit.

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