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A U.S. Treasury Department official said Libyan rebels would not be subject to U.S. sanctions if they avoid entities linked to Gaddafi’s regime, which would allow them to sell oil under their control.

During a Senate hearing on Tuesday, Sen. Jack Reed of Rhode Island asked Adm. James Stavridis about NATO putting forces into “post-Gadhafi” Libya to make sure the country doesn’t fall apart. Stavridis said he “wouldn’t say NATO’s considering it yet.” But because of NATO’s history of putting peacekeepers in the Balkans — as pictured above — “the possibility of a stabilization regime exists.”

The S&P/Case-Shiller index of property values in 20 cities fell 3.1 percent from January 2010, the biggest year-over-year decrease since December 2009, the group said today in New York. The decline was in line with the 3.2 percent median forecast by economists in a Bloomberg News survey.

“A practical artificial leaf has been one of the Holy Grails of science for decades,” said Daniel Nocera, Ph.D., who led the research team. “We believe we have done it. The artificial leaf shows particular promise as an inexpensive source of electricity for homes of the poor in developing countries. Our goal is to make each home its own power station,” he said. “One can envision villages in India and Africa not long from now purchasing an affordable basic power system based on this technology.”

The device bears no resemblance to Mother Nature’s counterparts on oaks, maples and other green plants, which scientists have used as the model for their efforts to develop this new genre of solar cells. About the shape of a poker card but thinner, the device is fashioned from silicon, electronics and catalysts, substances that accelerate chemical reactions that otherwise would not occur, or would run slowly. Placed in a single gallon of water in a bright sunlight, the device could produce enough electricity to supply a house in a developing country with electricity for a day, Nocera said. It does so by splitting water into its two components, hydrogen and oxygen.

The hydrogen and oxygen gases would be stored in a fuel cell, which uses those two materials to produce electricity, located either on top of the house or beside it.

Nocera, who is with the Massachusetts Institute of Technology, points out that the “artificial leaf” is not a new concept. The first artificial leaf was developed more than a decade ago by John Turner of the U.S. National Renewable Energy Laboratory in Golden, Colorado. Although highly efficient at carrying out photosynthesis, Turner’s device was impractical for wider use, as it was composed of rare, expensive metals and was highly unstable — with a lifespan of barely one day.

Nocera’s new leaf overcomes these problems. It is made of inexpensive materials that are widely available, works under simple conditions and is highly stable. In laboratory studies, he showed that an artificial leaf prototype could operate continuously for at least 45 hours without a drop in activity.

The key to this breakthrough is Nocera’s recent discovery of several powerful new, inexpensive catalysts, made of nickel and cobalt, that are capable of efficiently splitting water into its two components, hydrogen and oxygen, under simple conditions. Right now, Nocera’s leaf is about 10 times more efficient at carrying out photosynthesis than a natural leaf. However, he is optimistic that he can boost the efficiency of the artificial leaf much higher in the future.

The Transitional National Council released a statement announcing the decision made at a March 19 meeting to establish the “Libyan Oil Company as supervisory authority on oil production and policies in the country, based temporarily in Benghazi, and the appointment of an interim director general” of the company.

The Council also said it “designated the Central Bank of Benghazi as a monetary authority competent in monetary policies in Libya and the appointment of a governor to the Central Bank of Libya, with a temporary headquarters in Benghazi.”

Dr. Pessler’s study is the first to conclusively say that diet is implicated in ADHD. In the NPR interview, Dr. Pessler did not mince words, “Food is the main cause of ADHD,” she said adding, “After the diet, they were just normal children with normal behavior. They were no longer more easily distracted, they were no more forgetful, there were no more temper-tantrums.” The study found that in 64 percent of children with ADHD, the symptoms were caused by food. “It’s a hypersensitivity reaction to food,” Pessler said.

This is good news for parents and children who would like to avoid many of the adverse side effects associated with common stimulant drugs like Ritalin used to treat ADHD—and bad news for the pharmaceutical industry. The National Institute of Mental Health reports that common side effects from the drugs are sleeplessness (for which a doctor might also prescribe sleeping pills) headaches and stomachaches, decreased appetite, and a long list of much more frightening (yet rarer) side effects, including feeling helpless, hopeless, or worthless, and new or worsening depression. But Pessler’s study indicates that up to two-thirds or two of the three million children currently medicated for ADHD may not need medication at all. “With all children, we should start with diet research,” Pessler said.

…

The Los Angeles Times article ends on this note: “‘To be sure, the prospect of treating ADHD with diet instead of drugs would appeal to many parents,’ Dr. Jaswinder Ghuman, a child psychiatrist who treats ADHD says. ‘But parents who want to give it a try should be sure to consult their child’s physician first, she warned: ‘It’s not that simple to do appropriately.’”

Ying Jianguo, manager at the Taizhou Suqi Storage Battery Co. Ltd in Zhejiang province, was detained on Friday, said Pan Fangdi, a local official.

He added that three government officials, including the deputy chief of the district’s environmental protection office, were suspended for failing to supervise the region properly.

In the latest of a string of heavy metal pollution cases in China, 168 villagers in the Shangtao village near Taizhou city were found to have elevated lead levels in their blood, Xinhua reported, citing local officials and a provincial health department statement.

Three of the adults had more than three times the safe limit for humans, the report added, although nobody was found to be suffering from severe lead poisoning.

“An inspection of the battery plant showed that lead readings in gas and water discharged from the plant exceeded the legal limit, which also resulted in excessive lead in the earth nearby,” it quoted local environment official Jiang Xincai as saying.

Villagers are being advised to avoid eating food grown in the area as the lead had probably contaminated groundwater, Xinhua said.

The battery plant is located just meters away from the village and opened in 2005, it added.

Production has now been halted and will not be resumed until the pollution problem is fixed, Xinhua said.

In January state media reported that more than 200 children in another eastern province had been poisoned by lead from battery plants located too close to houses.

Lead poisoning often builds up slowly as a result of repeated exposure to small amounts of lead. It can damage various parts of the body, including the nervous and reproductive systems and the kidneys, and it can also cause high blood pressure and anemia.

But as a German Green party politician, Malte Spitz, recently learned, we are already continually being tracked whether we volunteer to be or not. Cellphone companies do not typically divulge how much information they collect, so Mr. Spitz went to court to find out exactly what his cellphone company, Deutsche Telekom, knew about his whereabouts.

The results were astounding. In a six-month period — from Aug 31, 2009, to Feb. 28, 2010, Deutsche Telekom had recorded and saved his longitude and latitude coordinates more than 35,000 times. It traced him from a train on the way to Erlangen at the start through to that last night, when he was home in Berlin.

Mr. Spitz has provided a rare glimpse — an unprecedented one, privacy experts say — of what is being collected as we walk around with our phones. Unlike many online services and Web sites that must send “cookies” to a user’s computer to try to link its traffic to a specific person, cellphone companies simply have to sit back and hit “record.”