(Phys.org) -- For six centuries, the ancient Maya flourished, with more than a hundred city-states scattered across what is now southern Mexico and northern Central America. Then, in A.D. 695, the collapse of several cities ...
Earth Sciences
Aug 21, 2012
17
0
In a study published in the journal Proceedings of the National Academy of Sciences, scientists from the Max Planck Institute for Marine Microbiology in Bremen and Greifswald University, together with colleagues from Freiburg, ...
Plants & Animals
Apr 17, 2012
0
0
(Phys.org) -- On April 5, 2010, the sun spewed a two million-mile-per-hour stream of charged particles toward the invisible magnetic fields surrounding Earth, known as the magnetosphere. As the particles interacted with the ...
Space Exploration
Apr 12, 2012
0
0
Improving natural photosynthesis to make new fuels and boost crop production is the focus of new research presented at the American Association for the Advancement of Science (AAAS) Annual Meeting today. It could see us one ...
Materials Science
Feb 17, 2012
0
0
Could replacing coal-fired electricity plants with generators fueled by natural gas bring global warming to a halt in this century? What about rapid construction of massive numbers of solar or wind farms, hydroelectric dams, ...
Environment
Feb 15, 2012
1
0
New solar cells could increase the maximum efficiency of solar panels by over 25%, according to scientists from the University of Cambridge.
Nanophysics
Feb 8, 2012
14
0
Researchers are turning to plants and solar power in the search for new sources of renewable and sustainable energy that can support the transition from rapidly depleting fossil fuels to a bio-based society. An article published ...
Biochemistry
Feb 2, 2012
0
0
A new study sheds light on why the Sun's outer atmosphere, or corona, is more than 20 times hotter than its surface. The research, led by the National Center for Atmospheric Research (NCAR), may bring scientists a step closer ...
Space Exploration
Jul 27, 2011
1
0
One way of storing solar energy is to transform the energy directly into a fuel. Researchers at Uppsala University have shown a reaction which makes the process of creating fuel from solar energy more efficient and less energy ...
Energy & Green Tech
Jan 26, 2015
0
20
The amount of sunlight being absorbed or reflected by Earth is one of the driving forces for weather and climate. Satellites are providing this information with unprecedented accuracy.
Space Exploration
Sep 6, 2013
0
1
