Overturning previous studies, a peculiar protozoan mysteriously uses a DNA-markup system to take out the genetic trash.
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Volcanic origin of proteins?
| March 21, 2011
The reanalysis of a 1958 experiment suggests that volcanic eruptions may have spawned the amino acids that contributed to the rise of life on earth
The Fast Track to Success
| November 1, 2006
Laura Landweber was 33 when she received tenure at Princeton. Oxytricha, beware: She's got a lot of science ahead of her.
Clarification
May 12, 1997
In the article "Scientists Debate RNA's Role At Beginning Of Life On Earth" (R. Lewis, The Scientist, March 31, 1997) on page 14, the following comments should have been attributed to Laura Landweber, an assistant professor of ecology and evolutionary biology at Princeton University: "The ability to isolate new ribozymes from random sequences has fueled a new excitement about the possibility of uncovering early pathways of RNA evolution. Ultimately, this will make the world of possible primordi
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