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I produced two segments about books this week for These Days, which means it was a banner week. Lucia Silva and Tiffany Fox recommended some good fiction, along with a book of essays about America and Margaret Atwood's prescient book on debt. Here's what they recommended, listed in no particular order.

A new report from the Department of Education says that most education software does not boost test scores. But districts that have spent large amounts of money are not ready to give up on it.

China's carbon dioxide emissions are on track to double during this decade, according to a new study. The study finds that China has not only surpassed the United States as the world's largest emitter, but its emissions are growing more than 10 times faster than emissions in the U.S.

A congressional committee took up the topic of global climate change Wednesday, focusing on an eight-year-old study suggesting that the world is warmer now than it has been in a thousand years. Congressman Joe Barton (R-TX) used the hearing to question the study and the debate over global warming.

One of Pakistan's most eminent journalists is confined to his home under permanent armed guard because he fears he'll be killed for speaking out. Najam Sethi is getting death threats from the Taliban for writing articles warning of the threat of Islamist militancy to his country. Sethi says part of his problem is that anchormen at private TV channels spout fundamentalist views and incite violence.

In Ohio, a swing state that helped decide the election in 2004, the McCain and Obama campaigns are wielding high-tech gadgetry and low-tech shoe leather to ensure voters turn out on Election Day.

Who hasn't spoken to their computer on occasion? It's not hard to find people exchanging some choice words with a laptop, PC and even the occasional PDA. Most of the time all you get in response is silence. But voice recognition software has advanced to a new level.

France's Albert Fert and German Peter Gruenberg will share the 2007 Nobel Prize in physics for a discovery that has allowed a radical reduction in the size and increase in the capacity of computer hard drives.

An expert says there are fundamental differences between al-Qaida and other insurgency groups. The nationalist groups want to drive the U.S. out of Iraq and protect Sunni interests. But al-Qaida sees Iraq as a jumping off point and fundamental part of their propaganda campaign.

Science Stars