Pharyngula

Blue_Expo

The Effect of Spinal Cord Severing in Zebrafish Blue Expo ABSTRACT Previous research indicates that nervous and cardiac tissue regeneration occurs in zebrafish because they lack some inhibitory characteristics found in mammals. The purpose of this project was to observe spinal cord regeneration in zebrafish of various stages of development. Zebrafish spinal cords were severed…

Circadian Clock Neurons

Here’s another interesting question from our most recent neurobiology exam. With some luck PZ won’t get irritated that I keep recycling my work. This paper was a bit of a brain thumper but also very interesting after deciphering what it’s talking about. 3) Summarize this paper and describe both the neural circuit and the genes…

Zebrafish Lab Eureka!

This week is the second to last week of the semester before finals and everything is coming down to the wire, including my neurobio lab project. PZ was so kind as to come in and help me out this past Sunday morning; the morning after the blizzard had quieted leaving everything covered in various quantities…

Living Clocks of Arctic Animals

The seed of this mornings discussion in neurobiology was “Time, Love, Memory” by Jonathan Wiener. As has been the norm in past weeks we met in the on campus cafe bringing along with us four insightful questions each to keep the discussion rolling along throughout the hour. Wiener describes later in his book (p192) the…

Zebrafish Lab Progress

As I wrote about before, my semester lab project for neurobiology has to do with regeneration. The idea is to damage the spinal cord and observe wonderful regeneration. This proposal was based on some articles I read about regeneration of zebrafish hearts, fins, tails, etc. Unfortunately I haven’t had much luck so far. Last week,…

Synesthesia Neuroslam

Synesthesia is going to be the discussion topic for our upcoming neuroslam in two weeks. Synesthesia is the rare ability of a select few individuals to see numbers as colors or as in the article that I’m preparing to discuss (Hubbard 1996), experience varying degrees of light and dark as melodic intervals. The observed pattern…

Fall Break

The beginning of this week was fall break at our college campus. We had the weekend off as well as Monday and Tuesday. Since I had been planning to return home to northern Minnesota for the first time since moving down to west central Minnesota in August, I decided to take Thursday and Friday off…

TRPV1 Ion Channels

I noticed that PZ posted one of our take-home exam questions on Pharyngula and so I decided to make an entry with my answer (I okayed this with PZ first although he did warn me of the certainty of harsh reader criticism). The question referred us to a recent article in Nature about TRPV1 ion…

A two hour presentation was given at a local church last night by creation scientist whom I won’t name. This presentation overall lacked direction and seemed to jump from one topic to another without really stopping to make a point. About a third of the presentation was about dinosaur diversity, talking briefly about neat features…

Gender Bias and Anne Conway

In discussing Soul Made Flesh this past Wednesday morning in PZ’s neurobiology class, I brought up what I thought to be an interesting, though somewhat tangential, point. Zimmer mentioned Anne Conway and how ambitious she was in her studies despite not being allowed to attend a university. The fact that females were not given the…