Pharyngula

Where do numbers come from?

When I was addressing this lunacy about how God exists because minds and mathematics are supernatural, I was also thinking about a related set of questions: biologically, how are numbers represented in the brain? How did this ability evolve? I knew there was some interesting work by Ramachandran on the representation of digits and numerical…

I usually only have good things to say about cephalopods, but it’s hard to avoid the truth here: vampire squid aren’t exactly beauty queens.

This is an echinoderm, a feather star, out for a swim. (via Owl Mirror)

I was reading this account of an encounter between three cuttlefish — a consort male escorting a female, who is challenged by an intruder — and the story was weirdly familiar. The intruder’s pupil dilation and arm extension began the first of three brief bouts over the course of about four minutes, each with escalating…

I’m relieved my courtin’ days are over, because even if I did paint my butt iridescent colors, I don’t think I could twerk it up over my head.

And we liked it! The Nautilus Files

Tissue Organization Field Theory

It’s been a while since I brought everyone up to date on the progress of my Ecological Development course, because I’ve been busy. So have the students. After our spring break I subjected them to the dreaded oral exam, which actually isn’t so bad. I tried to engage them less in an adversarial role and…

Botanical Wednesday: I am not fooled

That isn’t the Carrizo Plain National Monument. It’s obviously Oz.