Today is the first day of the semester and I'm basically in the same clothes rocking bed head and a dirty tee shirt. (Whoisapneet.com)
Emboldened by that example, geologists began to revisit other scenes of carnage in rock beds around the globe. (discovermagazine.com)
Started in 1961, when helium was considered to be a crucial military and technological resource, the stockpile had grown by 1996 to 170,000 metric tons, stored mostly in porous rock beds in the Cliffside gas field near Amarillo, Tex.. (scientificamerican.com)