First plants caused ice ages: research

New research reveals how the arrival of the first plants 470 million years ago triggered a series of ice ages. Led by the Universities of Exeter and Oxford, the study is published today (February 1, 2012) in Nature Geoscience.

What is the surface of Neptune like?

As a gas giant (or ice giant), Neptune has no solid surface. In fact, the blue-green disc we have all seen in photographs over the years is actually a bit of an illusion. What we see is actually the tops of some very deep ...

Rare earth metal enhances phosphate glass

(PhysOrg.com) -- Adding cerium oxide to phosphate glass rather than the commonly used silicate glass may make glasses that block ultraviolet light and have increased radiation damage resistance while remaining colorless, ...

Study suggests space dust carries water and organic compounds

Researchers from the University of Hawaii-Manoa (UHM) School of Ocean and Earth Science and Technology (SOEST), Lawrence Livermore National Laboratory, Lawrence Berkeley National Laboratory, and University of California – ...

New Nanotube Coating Enables Novel Laser Power Meter

(PhysOrg.com) -- The U.S. military can now calibrate high-power laser systems, such as those intended to defuse unexploded mines, more quickly and easily thanks to a novel nanotube-coated power measurement device developed ...

Fighting Parkinson's with carbon nanoparticles

One of the problems affecting the human nervous system is dopamine deficiency. But testing of dopamine concentration is costly and requires sophisticated equipment not available in a doctor's office. Enter a team of Polish ...

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