Michigan State University President Lou Anna K. Simon contacted the Central Intelligence Agency in late 2009 with an urgent question.
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Attempts to slow down climate change by large-scale geo-engineering present ''serious risks'' and are unlikely to replace the need to cut greenhouse gas emissions, Australia's chief scientist has warned.
Ang Lizhi, the astrophysicist who inspired the Chinese pro-democracy protesters at Beijing's Tiananmen Square in 1989, has died in the US, aged 76.
Doubts are growing about the planned ceasefire in Syria after the government made new demands and the rebels said they believed the plan would fail
German writer and Nobel laureate Günter Grass has effectively been banned from Israel after a poem he published accused the country of endangering world peace sparked a global firestorm of criticism and counter-criticism.
Dongria Kondh people pledge to carry on fight to prevent Vedanta Resources from mining bauxite in Niyamgiri hills
Almost eight in ten UK universities will embark on major capital projects worth more than £5 million in the next year as they face up to fiercer competition for students under the new regime.
U.S. consumers tell researchers they want to buy environmentally friendly products, but so far they haven’t been doing that on a large scale. Now a host of companies and nonprofits are trying to use new technology — from smartphones to social networking — to make it easier for buyers to make the green choice.
Syrian troops pounded opposition areas, activists said, killing 74 civilians in an offensive that has sent thousands of refugees surging into Turkey before next week's U.N.-backed ceasefire aimed at staunching a year of bloodshed.
Pity the winner of the 2013 Masters, who for all the wonderful golf he will have played and all the great players he will have beaten, might be destined to share his moment with an American businesswoman named Virginia Rometty, who reached the summit of the corporate pile this year when she was appointed the CEO of the computer group IBM.