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As Arctic Sea Ice Melts, Experts Expect New Low The coverage of sea ice in the Arctic could break the record low from last September, scientists said. Purdue, Citing Research Misconduct, Punishes Scientist An appeals committee at Purdue University has upheld findings of misconduct by Rusi P. Taleyarkhan. Xcel to Disclose Global Warming Risks The New York attorney general announced an agreement that would require Xcel Energy, a builder of coal-fired plants, to disclose to investors the financial risks of global warming. Researchers Report Advances in Cell Conversion Technique Biologists at Harvard have converted cells from a mouse?s pancreas into the insulin-producing cells that are destroyed in diabetes. Green Roofs Offer More Than Color for the Skyline The use of vegetation and rock to absorb rainwater on roofs is part of a growing effort to reduce greenhouse gases, rainwater runoff and electricity demand in New York. Indonesia Expands Wildlife Haven The government announced it would expand a national park on the island of Sumatra, which hosts endangered elephants and tigers. Israel to Display the Dead Sea Scrolls on the Internet Each piece of the Dead Sea Scrolls is being digitally photographed with the aim of putting the entire file online. The Energy Challenge: Wind Energy Bumps Into Power Grid?s Limits Clean energy?s dirty secret is that while generating it is getting easier, moving it to market is not. California County?s Resolve Against Drilling Fades In Santa Barbara County, where an oil spill devastated the coastline in 1969, the opposition against offshore drilling may be softening. Serving Architects, Consultants in Everything Green Become Mainstays A growing cadre of consultants are specializing in helping developers and architects gain approval from the U.S. Green Building Council through its LEED certification program. Deadly Pathogen Harms Florida Citrus Groves The world?s most destructive citrus disease is threatening the largest domestic producer of these fruits. Friend or Foe? Crows Never Forget a Face, It Seems Researchers have found that crows, renowned for their ability to flourish in human-dominated landscapes, can recognize individual human faces. Study Maps Faults for New York Quakes A new analysis estimates that a magnitude 5 earthquake in or around New York City occurs on average once a century. Books: A Doctor Transformed, Into a Patient Dr. Thomas Graboys? memoir of dealing with Parkinson?s disease stands out as a small wonder. Talking Directly, and Kindly, to Believers in the Eco Life A trailblazer in the field of eco-advice columnists, Umbra Fisk serves as a sensible big sister to the growing tribe of the environmentally aware. Vitamin D Deficiency May Lurk in Babies Exclusive breast-feeding may be associated with vitamin D deficiency and rickets, recent research suggests. Air Storage Is Explored for Energy A New Jersey company will announce a plan to use wind turbines to produce compressed air that can be stored underground or in tanks and released later to power generators during peak hours. Observatory: How the Nose Sniffs Danger in the Air Researchers have discovered that you may be able to sniff out danger. Q & A: Night Noises Is it true that ?the hotter the night, the louder the crickets?? Thomas H. Weller, Whose Work on Tissue Led to Nobel Prize, Is Dead at 93 Dr. Weller was a tropical-medicine specialist whose tissue-culture research in 1949 made development of the Salk and Sabin polio vaccines possible.