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2008 Oct 15

A Simpler Origin for Life

4:00pm

Location: 

Geo Museum, 24 Oxford Street, Haller Hall, Rm. 102, Cambridge, MA

Robert Shapiro (NYU)

2009 Sep 16

Information in the Prebiotic World

4:00pm

Location: 

Geo Museum, 24 Oxford Street, Haller Hall, Rm. 102, Cambridge, MA

Irene Chen (FAS Center for Systems Biology at Harvard)

2011 May 18

Going to Extreme: Life as we know it

4:00pm

Location: 

Geo Museum, 24 Oxford Street, Haller Hall, Rm. 102, Cambridge, MA

Jocelyne DiRuggiero (Johns Hopkins University)

Microorganisms have inhabited the Earth for 3.4 billion years of its history, there are essential for the evolution of its minerals, its major geochemical cycles, and its atmosphere, and therefore we cannot consider the evolution of our planet without considering the evolution of its microorganisms. In addition, planets and moons explored thus far harbor extreme environmental conditions where it is more likely to find microorganisms than any other form of life. I will present recent findings on the...

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2011 Apr 20

Metabolism and Motility in Prebiotic Structures

4:00pm

Location: 

Geo Museum, 24 Oxford Street, Haller Hall, Rm. 102, Cambridge, MA

Martin Hanczyc (University of Southern Denmark)

Easily accessible, primitive chemical structures produced by self-assembly of hydrophobic substances into oil droplets may result in self-moving agents able to sense their environment and move to avoid equilibrium. These structures would constitute very primitive examples of life on Earth, even more primitive than simple bilayer vesicle structures. A few examples of simple chemical systems are presented that self-organize to produce oil droplets capable of movement, environment remodeling, and primitive chemotaxis....

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