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Latest RNA world hypothesis Stories

2005-11-01 07:21:56

Washington -- What would you call an alien if you encountered it on the street tomorrow? What if that alien didn't come from another world but rather was created in a laboratory right here on Earth and functioned differently from other Earth life? Either way, Peter Ward has the beginnings of an answer. In a new book, the University of Washington paleontologist puts forth an expanded "tree of life," or biological classification system, to account for a variety of life forms that would not fit...

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2005-05-23 07:16:42

Peter Ward, speaking at a NASA Director's Seminar, presented some ideas for changing the tree of life. This restructuring would not only embrace things like viruses, which are banished from the current tree, but would allow us to put into context some even odder misfits, such as cloned sheep and alien life on other worlds. Astrobiology Magazine -- Peter Ward, a paleontologist and professor of geological sciences at the University of Washington in Seattle, has written extensively about the...


Word of the Day
vermicular
  • Like a worm in form or movement; vermiform; tortuous or sinuous; also, writhing or wriggling.
  • Like the track or trace of a worm; appearing as if worm-eaten; vermiculate.
  • Marked with fine, close-set, wavy or tortuous lines of color; vermiculated.
  • A form of rusticated masonry which is so wrought as to appear thickly indented with worm-tracks.
This word ultimately comes from the Latin 'vermis,' worm.
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