Photosystem I (PSI) is one of the two photosystems found in the thylakoid membrane of oxygenic photosynthetic organisms. Its function is to harvest light energy that is utilized to drive a chain of electron transfer reactions, ...
Materials Science
Sep 24, 2015
0
19
Fluctuating sea levels and global cooling caused a significant decline in the number of crocodylian species over millions of years, according to new research.
Archaeology
Sep 24, 2015
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967
Virtual reality is a dream of video game lovers, but it is poised to blast far beyond play to education, medicine, architecture and other learning arenas.
Hi Tech & Innovation
Sep 24, 2015
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130
He has 30 million fans on Facebook and tweets multiple times a day—but as Narendra Modi visits Silicon Valley this weekend, it is Indian technology that will be centre-screen.
Business
Sep 24, 2015
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38
Nasdaq has long been known as the "tech-heavy" stock exchange, where some of Silicon Valley's best-known companies have gone to sell shares. Now, as it faces stiff competition from rival exchanges to lure the next hot IPO, ...
Business
Sep 24, 2015
0
20
The intake was unplugged Wednesday to finish flooding an $817 million tunnel and complete a complicated and perilous "Third Straw" project to draw drinking water for Las Vegas from a shrinking Lake Mead.
Environment
Sep 24, 2015
0
20
Bob Rand bought his Volkswagen Passat last year for its clean emissions and high gas mileage. He liked the car so much he convinced his son and a friend to buy one, too.
Business
Sep 24, 2015
2
23
Volkswagen's worldwide pollution cheating has been exposed in large part thanks to independent campaigners, a growing force in the scrutiny of multinationals whose activities can escape the gaze of official regulators.
Business
Sep 24, 2015
2
27
The Environmental Protection Agency said Wednesday it will set up a temporary treatment plant for wastewater flowing from the Gold King Mine in southwestern Colorado after 3 million gallons surged out of the mine in August, ...
Environment
Sep 24, 2015
0
13
For the first time in decades, skygazers are in for the double spectacle Monday of a swollen "supermoon" bathed in the blood-red light of a total eclipse.
Space Exploration
Sep 24, 2015
0
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