Humans pump thousands of tons of vapor from the metallic element mercury into the atmosphere each year, and it can remain suspended for long periods before being changed into a form that is easily removed from the atmosphere.
New research shows that the upper troposphere and lower stratosphere work to transform elemental mercury into oxidized mercury, which can easily be deposited into aquatic ecosystems and ultimately enter the food chain. (more…)
Nitrogen derived from human activities has polluted lakes throughout the Northern Hemisphere for more than a century and the fingerprint of these changes is evident even in remote lakes located thousands of miles from the nearest city, industrial area or farm.(more…)
SUNNYVALE, Calif. — Yahoo! Inc., the premier digital media company, today announced the appointment of Scott Thompson as Chief Executive Officer, effective January 9, 2012 , at which time Tim Morse will resume his role as Chief Financial Officer. Thompson has also been appointed to the Company’s Board of Directors, effective January 9, 2012.
Thompson served most recently as President of PayPal, a division of eBay, where he continued his established track record of growing businesses by driving customer engagement built on strong technology platforms. Under his leadership, PayPal solidified its lead as the global online payment service, expanding its user base from 50 million to more than 104 million active users in 190 countries worldwide, increasing the number of merchant partners to more than 8 million globally, and growing revenues from $1.8 billion to $4+ billion in 2011.(more…)
EAST LANSING, Mich. — Two teams of Michigan State University researchers – one working at a medieval burial site in Albania, the other at a DNA lab in East Lansing – have shown how modern science can unlock the mysteries of the past.(more…)
Treating ovarian cancer with the drug bevacizumab (“Avastin”) delays the disease and may also improve survival, according to an international clinical trial co-led by Drs. Amit Oza of the University of Toronto and Princess Margaret Hospital (PMH) and Timothy Perren of St James’s Institute of Oncology, Leeds, U.K.
The findings, published on Dec. 28 in the New England Journal of Medicine, report that the drug halted the cancer’s return for two months overall. However, for women with the highest risk disease, the delay was five to six months and in this group, the findings also indicate a strong trend to improved overall survival, which is being analysed until 2013. (more…)
*As we begin the New Year, a look at some of the stories of futuristic scenarios brought to life in 2011, plus developments that promise dramatic improvements in the near future.*
REDMOND, Wash. – Jan. 3, 2012 – From revolutionizing the way we interact with computers to developing tools to speed development of cures for crippling diseases, 2011 was a year of forward-thinking breakthroughs at Microsoft. See some of the innovations introduced in 2011 and how Microsoft is working to take new technologies from the lab to the living room. (more…)
For decades, science has suggested that when people make decisions, they tend to ignore logic and go with the gut. But Wim De Neys, a psychological scientist at the University of Toulouse in France, has a new suggestion: Maybe thinking about logic is also intuitive. He writes about this idea in the January issue of Perspectives on Psychological Science, a journal of the Association for Psychological Science.(more…)
