To find out how orchids exploit sex-crazed wasps for their own reproduction (and for lots of other marvels of coevolution), check out the November issue of Discover, which has an excerpt from my new book, The Tangled Bank.

Originally published November 23, 2009. Copyright 2009 Carl Zimmer.

Ryan writes, “I am a mechanical engineer, and this tattoo was inspired by the cover of my mechanical engineering design textbook.”

Click here to go to the full Science Tattoo Emporium.

Originally published November 22, 2009. Copyright 2009 Carl Zimmer.

Today at 5 pm EST I am going to be on Science Fantastic, the radio show hosted by physicist Michio Kaku. You can call in at 800-449-8255. Here’s a list of stations that carry the show, either live or repeated later this week.

Originally published November 21, 2009. Copyright 2009 Carl Zimmer.

I’m waiting to board my Air Canada flight to the rain-drenched city of Vancouver. Residents of that fair city are invited to come to the Beaty Biodiversity Museum, dry off for a spell, and hear my talk tomorrow at 7 about Darwin, the flu, and evolution . It’s free, but you have to register here. See you tomorrow.

Originally published November 17, 2009. Copyright 2009 Carl Zimmer.

Math is the subject of my new Discover column on the brain. How do we do it, and when did we (or our primate ancestors) start doing it? The answer, or at least some intriguing new research, is here.

Originally published November 17, 2009. Copyright 2009 Carl Zimmer.