John E Jencks

Looking for an inexpensive and effective way to quickly improve the quality of your drinking water? According to a team of researchers from the Johns Hopkins Bloomberg School of Public Health and the Johns Hopkins School of Medicine, sunlight and a twist of lime might do the trick. Researchers found that adding lime juice to water that is treated with a solar disinfection method removed detectable levels of harmful bacteria such as Escherichia coli (E. coli) significantly faster than solar disinfection alone. The results are featured in the April 2012 issue of American Journal of Tropical Medi

Just last week the following question was posed by a reader of The New York Times: “When an e-reader is loaded with thousands of books, does it gain any weight?”. Professor John D. Kubiatowicz from the University of California basically answered yes, it gains about an atogram (10^–18 grams) of weight.

The Los Alamos, N.M., National Laboratory reportedly breached national security by sending classified nuclear weapons information over the Internet. The e-mails resulted in "the loss of control of top-secret restricted data," Reps. John Dingell and Bart Stupak, both Michigan Democrats, wrote Thursday to U.S. Energy Secretary Samuel Bodman.

Earlier this month, John Davison attempted to predict the trends that would emerge from this year's E3 Expo. Some of them he was right about, and some of them he wasn't. Here, he returns to those predictions and digs into the stuff that he missed.

First an eBay seller stepped forward to tell the world he had a photo from around 1870 of a man from Bristol, Tennessee, who looks exactly like 47-year-old actor Nicolas Cage. Then it emerged another man was trying to sell a 1860s picture of a man who spookily looked like John Travolta. Now it seems there are plenty of Hollywood stars who may just be reincarnations of characters from around the time of the Civil War.

http://www.ebay.com/itm/Original-1860s-AMBROTYPE-John-TRAVOLTA-REINCARNATION-/160653649074?pt=Art_Photo_Images&hash=item2567b424b2#ht_1744wt_1102

Graham Rahal, Tony Kanaan and E .J. Viso have been penalized 10 spots on the starting grid for Saturday night's IndyCar race in Iowa because of unapproved …

… Southwest spokesman Brooks Thomas wrote FoxNews.com in an e -mail. "We didn't do it for the coverage ... It was just ..... fullest extent" allowable following an extensive investigation. John Auberger, the town supervisor of Greece, N.Y., a town of …

Dr. Grey Stafford, Director of Conservation at the World Wildlife Zoo in Phoenix, Arizona, e -mailed me that he is upset because "lawyers and extremists" use government to change the way he runs his zoo. He says that bad …

… poll, President Obama will be hard-pressed to garner either the turnout or the margin he enjoyed in 2008 when he defeated John McCain with 52.8 percent of the vote. Even the populist rhetoric and politically motivated announcements the Obama campaign …

… and that it can be used in regions outside the European Union ( E .U.) MAIN FACTS: -Vaccine, developed by Sanofi Pasteur ..... trials carried out in children in a range of countries outside the E .U., which showed that there was an adequate immune response …

U.S. Commerce Secretary John Bryson on Thursday announced his resignation, two weeks after he suffered a seizure and went on medical leave. Bryson sent a …

Commerce Secretary John Bryson, who has been under investigation for his role in two car crashes earlier this month, said on Thursday he was resigning …

… even Surface might catch on with consumers despite the name. Still, they ought to have tried harder to get the name right. John Tantillo is a marketing and branding expert who markets his own services as The Marketing Doctor . He writes frequently for Fox …

… lots more room on the upside for the dollar." Write to John Biers at john .biers@dowjones.com -Kathleen Madigan contributed ..... lots more room on the upside for the dollar." Write to John Biers at john .biers@dowjones.com Copyright © 2012 …

… Louis Blues - Samuel Kurker (RW, St. John `s Prep (High-MA)); 57. Vancouver ..... Rice (HS-MI)); 68. Minnesota Wild - John Draeger (D, Shattuck-St. Mary`s ..... SWE-JR)); 153. Edmonton Oilers - John Mccarron (RW, Cornell (ECAC)); 154 …