links for 2008-02-18

[A plan to plant a row of trees every year, right next to the previous row, causing a flow of trees over time and centuries. Go read and see animation.]

“A controversial research project is trying to trace all human language to a common root.”

“German experts hailed Europe’s oldest astronomical observatory, discovered in Saxony-Anhalt last year, a “milestone in archaeological research” after the details of the sensational find were made public.”