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A collection of notes, images, discoveries, amazements, and exclamations about all things science. Read more here.
Category Archives: Biology
Darwin’s anniversary present: one very cool spider
Charles Darwin’s On the Origin of Species was a groundbreaking work resulting from decades of scientific observation and careful thought. Exactly 150 years after its publication on November 24, 2009 a paper was presented on a new species of spider … Continue reading
A Glimpse into the RNA World
A recent ScienceDaily article summarized a July 18 paper in the journal Science that described the mechanism by which a type of RNA is able to regulate gene expression in some bacteria. It was already known that this RNA, cyclic … Continue reading
Phylogenetic Supertrees
Phylogenetic trees are tree-like diagrams showing the relationships among a group of creatures, often with their most recent common ancestor serving as the base of the trunk (rooted versus unrooted). They illustrate how groups of organisms originated, divided, and endured … Continue reading