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Message: 1
From: National Science Foundation Update <nsf-update@xxxxxxx>
Date: Tue, 8 Jun 2010 12:40:16 -0500 (CDT)
Subject: New Gecko Species Identified in West African Rain Forests
New Gecko Species Identified in West African Rain Forests
Tue, 08 Jun 2010 11:45:00 -0500
Using a new statistical method to compare the
genes of 50 specimens of the West African forest gecko, two former University of California, Berkeley, students have determined that the widely distributed species is actually four distinct species that appear to have evolved over the past 100,000 years, as the rain forest fragmented with increasing aridification. The finding demonstrates the wealth of biodiversity still surviving in the islands of tropical rain forest in West Africa.
Source
University of California, Berkeley
This is an NSF News From the Field item.
Message: 2
From: National Science Foundation Update <nsf-update@xxxxxxx>
Date: Tue, 8 Jun 2010 12:40:17 -0500 (CDT)
Subject: Physicists Reveal How to Cope With Frustration
Physicists Reveal How to Cope With Frustration
Tue, 08 Jun 2010 11:45:00 -0500
"Frustrated" systems--those in which the interactions
among the components have no single minimum-energy state--are of great interest for problems, from neural networks and protein folding to social structures and magnetism. But they have been difficult to model. Now a team of physicists has created a scalable quantum-mechanical model.
Source
University of Maryland
This is an NSF News From the Field item.
Message: 3
From: National Science Foundation Update <nsf-update@xxxxxxx>
Date: Tue, 8 Jun 2010 12:40:17 -0500 (CDT)
Subject: Biosensors Reveal How Single Bacterium Gets the Message to Split Into a Swimming and a Stay-put Cell
Biosensors Reveal How Single Bacterium Gets the Message to Split Into a Swimming and a Stay-put Cell
Tue, 08 Jun 2010 11:45:00 -0500
When
certain bacteria reproduce by splitting in two, one cell inherits a propeller for swimming and the other builds a stalk to cling to surfaces. University of Washington researchers developed biosensors to observe what was going on biochemically. They found that the signaling chemical c-di-GMP was unevenly distributed during cell division, and that the swimming cell got less than the stalk cell.
Source
University of Washington
This is an NSF News From the Field item.
Message: 4
From: National Science Foundation Update <nsf-update@xxxxxxx>
Date: Tue, 8 Jun 2010 15:40:27 -0500 (CDT)
Subject: New Culture Dish Could Advance Human Embryonic Stem Cell Research
New Culture Dish Could Advance Human Embryonic Stem Cell Research
Tue, 08 Jun 2010 13:47:00 -0500
A new synthetic Petri dish coating could overcome a
major challenge in the advancement of human embryonic stem cell research, say University of Michigan researchers.
Source
University of Michigan
This is an NSF News From the Field item.
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