Thomlex - Biology

Cell Division is Reversible

bill — Thu, 13 Apr 2006 01:58:00 -0400

Gary J. Gorbsky of the Oklahoma Medical Research Foundation, has found a way to reverse the process of cell division. This discovery shows that events in the cell cycle which have long been assumed to be irreversible, may be. The discovery could have an important impact on the treatment of cancer, birth defects and other diseases.

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Group Decisions by Cockroaches

bill — Mon, 03 Apr 2006 12:55:00 -0400

Cockroaches make decisions in a democratic fashion and group consultations are done before decisions are made. This was determined in tests where cockroaches were observed as they decided how to organize themselves among multiple shelters.

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Metabolic Pathways and Cellular/Molecular Processes

bill — Mon, 27 Mar 2006 20:40:00 -0500

This page has links to two sides of a large wall poster that describe metabolic pathways (thumbnail shown here), and cellular & molecular processes. These are the chemical reactions that happen within cells in living things. I.e. this is a flow-chart of life. Wikipedia has a good primer on the subject.

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Basic Neuroscience Tutorial

bill — Fri, 10 Mar 2006 21:52:00 -0500

Diana Weedman Molavi of the Washington University School of Medicine created this illustrated guide to the basics of clinical neuroscience for first-year medical students. (link from Weett).

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Synapse in Action

bill — Fri, 10 Mar 2006 21:40:00 -0500

Illustration of a neuron preparing to send a message to it's target.
Graham Johnson won LiveScience's award for Best Science Illustration of 2005 with this entry, "The Synapse Revealed". Mr. Johnson based his work on several ultra-thin micrographs of sequential brain slices. With highly detailed shape and scale, this synaptic millisecond is as accurate as it is artful.

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Biology Art

bill — Tue, 28 Feb 2006 21:31:00 -0500

Olympus Bioscapes 2005 is a competition among colorized photographs of various biology subjects. This site shows the winning photographs. This photo is from a mouse kidney, taken by Thomas Deerinck of the University of California at San Diego.

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