Last updated on April 23, 2014 at 20:10 EDT
Life -- Hot or Cold Start
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Life -- Hot or Cold Start?

July 14, 2010
Darwin proposed the theory that life might have originated in a "warm little pond." Today, some scientists study a contrasting theory that life originated in ice. Liquid veins that form in blocks of ice could have been an ideal spot for life to form, as they afford little elbow room for tiny, potentially life-generating particles to spread out, but a lot of time for chemical interaction.

To learn more about Charles Darwin and his contributions to science, see the National Science Foundation special report, Evolution of Evolution: 150 Years of Darwin's On the Origin of Species. (Date of Image: 2008)