Boat owners can fight barnacles with new eco-friendly method

Barnacles can be found in all marine environments and are a major problem for both small boats and large ships. Barnacles accumulate on the hulls and can reduce the fuel economy of a vessel by up to 40 per cent, increasing ...

Seeing the forest under the trees

(PhysOrg.com) -- Scientists recently discovered nitrogen that falls from the atmosphere in acid rain can influence large tracts of sugar maples in North America.

Research shows that soil calcium limits forest songbirds

Acid rain and subsequent calcium depletion of forest soils in eastern North America may be limiting forest songbird populations, according to a researcher in Penn State's College of Agricultural Sciences.

A crystal clear view of chalk formation

(PhysOrg.com) -- It has a beautiful, but also an unpleasant side: crystallization determines the shape of precious stones, but also causes the lime scale in washing machines. How this comes about, has been known for a long ...