New model of early universe
''The researchers used a computer simulation of dark matter and added to it normal, or illuminated, matter. The resulting images show what the universe might have looked like at 590 million years after the Big Bang, 1 billion years after the Big Bang, 1.9 billion years after the Big Bang, and today. '' [source]
Cheaper materials for low-cost solar cells
'' The UC Berkeley study evaluated 23 promising semiconducting materials and discovered that 12 are abundant enough to meet or exceed annual worldwide energy demand. Of those 12, nine have a significant raw material cost reduction over traditional crystalline silicon, the most widely used photovoltaic material in mass production today.
The work provides a roadmap for research into novel solar cell types precisely when the U. S. Department of Energy and other funders plan to expand their efforts to link new basic research to deployment efforts as part of a national effort to greatly expand the use of clean energy, according to Daniel Kammen, UC Berkeley professor of energy and resources and director of the Renewable and Appropriate Energy Laboratory. '' [source]
Drug Erases Fearful Memories
''A common drug can selectively target long-term memories...
The research builds on preliminary tests in patients with post-traumatic stress disorder (PTSD), in which people who have experienced severe trauma, such as rape, are plagued by disturbing and uncontrollable memories of the event...'' [source]
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