Wednesday, May 16, 2012

Ultra-cool brown dwarf discovered and first fossil record of pollination

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 - Astronomers have discovered an ultra-cool brown dwarf that is more than 99% hydrogen and helium. The discovery could help scientists distinguish between brown dwarfs and giant planets. See article.
g Abodes - NASA's Mars Reconnaissance Orbiter has revealed that sand dune fields on Mars move on a scale similar to those on Earth, even though Mars' atmosphere is much thinner. See article.
g Life - Amber from Cretaceous deposits (110-105 my) in Northern Spain has revealed the first ever record of insect pollination. Scientists have discovered in two pieces of amber several specimens of tiny insects covered with pollen grains, revealing the first record of pollen transport and social behavior in this group of animals. See article.

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