Sunday, April 12, 2009

How life may have survived on early Earth and controlling growth of DNA

Welcome! "Alien Life" tracks the latest discoveries and thoughts in the various elements of the famous Drake Equation. Here's today's news:
g Stars - Understanding how galaxies form is no easy matter, particularly when you factor in dark matter. Without a firm knowledge of what dark matter actually is, we’re limited to discussing its perceived effects, something that researchers at Hebrew University of Jerusalem have coupled with computer simulations that change how we view the early universe. See article.
g Abodes - A new study on the harsh environment of deep-sea mud volcanoes is shedding light on how life might have survived on the early Earth, or could survive on other planets. The study was performed in the Gulf of Mexico where seafloor vents spew mud, oil, brine and gases that support life independent from the energy of the sun. See article.
g Life - In a recent paper, researchers describe the development of an information-containing DNA "seed" that can direct the self-assembled bottom-up growth of tiles of DNA in a precisely controlled fashion. See article.

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