Mary's Monday Metazoan: Zing! Zap!

This is a pseudocolored image of nematocysts firing.

In case you prefer the video…

Tags

More like this

tags: singing Tesla coil, streaming video This video shows a solid-state Tesla coil that is "singing". The high voltage sparks are making the noises. Every cycle of the music is a burst of sparks at 41 KHz, triggered by digital circuitry at the end of a "long" piece of fiber optics. The primary run…
How the brain codes numbers is a challenging problem. We know that certain parts of the brain must code numbers because they are involved in numerical calculation. Some of them -- such as the prefrontal cortex (PFC) -- are also involved in the calculation of reward, so it would be good if we knew…
Otis Dudley Duncan has sent me these comments, which draw attention to a key point that almost all bloggers have missed: "There are two distinct issues in this case. Lott repeatedly made erroneous statements about the findings of other researchers. None of the national surveys that he cited…
Two very brief notes about high-profile scandals in academia: 1) While it involves one of my faculty colleagues, I have no special insight to offer into the case of Valerie Barr's firing by the NSF over long-ago political activity. I know and like Valerie as a colleague, and she did some really…