BlogArena

General blog about anything and everything of everyday's life.

October 3, 2013
by Guest Post
0 comments

Legacy Soil Pollution: Higher lead levels may lie just below surface

A study of data from hundreds of soil samples taken around six old water tower sites in southern Rhode Island finds that even when lead levels on the surface are low, concentrations can sometimes be greater at depths down to … Continue reading

March 25, 2013
by Guest Post
0 comments

Lunar impacts created seas of molten rock

A new analysis of data from NASA’s Lunar Orbiter Laser Altimeter (LOLA) shows that molten rock may have been present on the Moon more recently and for longer periods than previously thought. Differentiation — a settling out of rock layers … Continue reading