Monthly Archives: January 2005

A Late Birthday Present…

Our friend Greta Kaplan is moving. One of the things that she decided was not going to go with her has been handed to me instead: A Jackson/Charvel electric bass guitar. Ok, one might ask, what am I gonna do with a bass guitar? It’s in that category of things that I consider “stress relievers”.… Read More »

Bat Family Tree

Check out the article on tracing the evolution of bats. This relates some of the information from a publication in Science about affinities of microbats and megabats. Generally, the mibcrobats use biosonar megabats don’t. But picking out the family relationships has been a puzzle. This study asserts that the megabats “nest” within several of the… Read More »

It’s a Snap for the Venus Fly-Trap

Over on New Scientist, they have a short piece on the mechanism of the Venus Fly-Trap. The leaves that make up the trap change shape from convex to concave, and this change in shape produces the rapid snapping action that is able to catch flies. This sort of action is called snap-through in other contexts.… Read More »

A Birthday

Yesterday, Diane and I had our planned outing. We headed over to the Lindsay Wildlife Museum, where we met up with Glenn Branch, his wife, Sujatha, and son, Vikram. Mark Isaak, John Harshman, Alan Gishlick and his s.o. Alanna were also there. We watched the raptor room and talked about their birds and our birds.… Read More »

Sugars, Stem cells, and Evolution

Carl Zimmer has a very nice post that examines research on an evolutionary event in the human lineage, the loss of a sugar that is ubiquitous in other mammals. The research points to loss of this sugar to an inserted Alu repeat between 1.6 and 3.8 million years ago. The link to stem cell research… Read More »

Tangled Bank #19

Tangled Bank #19 is up for viewing. This is a collection of links to recent science blogging. The “Biosonar and Behavior” article below is among the entries. Give it a try…

The Weirdness of If

Over on Imago Dei, much is being made of the unfairness of logical asymmetry. Once again, how can we have scientific evidence against the presence of something when we are not allowed to have scientific evidence supporting the presence of something? This takes me back to teaching an artificial intelligence class some years ago. The… Read More »

Progress on Writing

An activity that has been put off far too long due to the various health issues I had last year is getting papers published resulting from Diane and my dissertations. I’ve got three chapters to be made over; Diane has two. We have the additional constraint that we have to obtain clearance from the Navy… Read More »

Biosonar and Behavior

On Sunday, Diane and I had a visit from Jennifer Pettis, who recently graduated from Georgetown University with a master’s degree in biology. Jennifer’s major professor was Janet Mann, and Jennifer did her research on the bottlenose dolphins at Shark Bay (Monkey Mia), Australia. What Jennifer has done that is different from earlier studies of… Read More »

So Many Issues, So Little Time

Today, I found out there’s a crying need for me to write several essays. I had a chat with a reporter about antievolution today; I need to put together a basic set of links and text to point the media in the right direction. An antievolutionist made a wholly unsupported statement about the statistics of… Read More »

Happy New Year!

Just a short note to say “Happy New Year” to everyone out there. I’m about to celebrate a belated Christmas with my parents and niece. I’m very glad to be able to do this in this new year. The various remaining medical issues are small potatoes compared to being able to appreciate life. I hope… Read More »