CAMBRIDGE, Mass., Nov. 7, 2007 — Researchers at Harvard University and Pennsylvania State University have invented a technology, inspired by nature, to reduce the accumulation of atmospheric carbon ...

List and describe 5 mechanical weathering processes. Given a picture of weathered rock, identify the mechanical weathering process (es) responsible. Compare and contrast weathering and erosion.

Researchers have investigated erosion in the different kinds of limestone in the Western Wall at the foot of Jerusalem's Temple Mount. Stones made up of large crystals were almost unchanged in 2000 ...