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Roundup 9/21: Explosive Issues Edition

Disgraced Korean stem cell scientist Woo Suk Hwang, who is awaiting a court judgment due next month that could send him to jail for embezzling research funds, got some good news last Friday when a separate court ruled a dog cloning technique he developed since being dismissed by Seoul National University is different from the procedure patented by the school.

The eyes of the climate world will be watching the U.N. General Assembly tomorrow, when Chinese President Hu Jintao is expected to announce new details on China's intentions on cutting its greenhouse emissions. 

A chemist with government lab ETH Zürich in Switzerland has resigned from his post as head of research for the laboratory as part of an investigation into scientific fraud.

During an appearance at a community college in upstate New York to promote higher education, innovation, and green jobs, President Barack Obama admitted to having never studied calculus.

Auditors at the U.S. National Nuclear Security Administration have released a report (pdf) that criticizes the organization's handling of classified information.

The Senate Judiciary Subcommittee on Terrorism and Homeland Security will discuss ways to strengthen the security and oversight at bio labs at a hearing on Tuesday afternoon.

The Union of Concerned Scientists has organized a letter, signed by Nobel prize–winning physicist Leon Lederman, urging President Obama to aggressively cut the number of nuclear weapons in the U.S. arsenal.

(Puppies photo: http://www.flickr.com/photos/mikecogh/, CC BY 2.0 )