the community site for and by developmental biologists

About: Teisha

I am a science writer, stem cell blogger, and PhD graduate student in the department of molecular, cellular, and developmental biology at the University of California at Santa Barbara, where I study stem cells. I have a weekly biology column with The Santa Barbara Independent, called "Biology Bytes," which can be found at My stem cell blog, "All Things Stem Cell," can be found at I am always on the lookout for interesting science writing opportunities!

Posts by Teisha:

Biology Bytes: A Stem Cell-Focused Book for the Public

Posted by on September 22nd, 2013

I recently published a book, called Biology Bytes: Digestible Essays on Stem Cells and Modern Medicine, which is on stem cells and other medical-related topics, and thought it would be of interest to readers at The Node. A large part of the book is just on stem cells — specifically, an entire chapter (74 pages)[…]

International Stem Cell Awareness Day

Posted by on September 30th, 2012

International Stem Cell Awareness Day is October 3, 2012, so on this day please help spread the word about the importance of stem cell research!   For more information on this day (and free wallpapers and downloadable stem cell images), visit, which is affiliated with the Sue & Bill Gross Stem Cell Research Center at[…]

Stem Cells versus Progenitors

Posted by on February 13th, 2011

With so much research focusing on stem cells, I’ve been wondering lately whether researchers are overlooking other important, multipotent cell groups, specifically what are called “progenitor” cells. But then another part of me wonders whether these two groups are so very different from each other. Technically, the main difference between stem cells and progenitors is[…]

U.S. Judge Halts Federal Funding of Human Embryonic Stem Cell Research

Posted by on August 26th, 2010

Many human embryonic stem cell (hESC) researchers are now scrambling for funding and concerned about the future of their research, following a recent ruling in the United States by Chief Judge Royce C. Lamberth.  To understand this ruling, both how it came about and its implications moving forward, it’s important to take a look at[…]