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NEW YORK, Aug. 19 (Xinhua) -- U.S. crude oil price edged down on Friday, ending the week with a 3.65-percent loss, the fourth straight drop in the week.With absence of major macro-economic news, crude prices on Friday mainly followed the dollar's steps. As the dollar dipped to its historic low against the Japanese yen while dropping also against the euro, oil rallied for most of the trading session.But in the last trading hour, crude turned negative because the dollar bounced back from low and the U.S. stocks turned to red. The dollar index, tracking the greenback's performance against a basket of currencies, fell 0.4 percent.Crude prices fell sharply on Thursday as fears of a double-dip recession triggered sell-off of riskier assets. WTI dropped nearly 6 percent. On Friday, the markets seemed to start calming down. But for the week, it still posted a fall of 3.65 percent.Light, sweet crude for September delivery fell moderately 12 cents, or 0.15 percent to settle at 82.26 dollars a barrel on the New York Mercantile Exchange after trading from 79.17 to 83.55 dollars.But in London, Brent crude for October delivery gained 1.63 dollars, or 1.52 percent to close at 108.62 dollars a barrel. For this week, it gained 59 cents, or 0.55 percent.

BERLIN, July 26 (Xinhua) -- German national disease control center said on Tuesday that the country's deadly E. coli outbreak has been over, as no new case reported in the last three weeks.The Robert Koch Institute (RKI) said the last case related to the E.coli outbreak was reported on July 4.As a three-week-period would cover the disease's incubation time, diagnosis time and the time for the transfer of a case, this virtually means an end of the outbreak."The largest EHEC outbreak is over in Germany," said RKI President Reinhard Burger. "I pay tribute to people who have joined in the great work, making investigation and looking after the patients."The RKI said Germany would keep watching the deadly EHEC O104: H4 intensively and asked people to pay attention to personal and food hygiene, as individual infection still cannot be ruled out.This round of outbreak has claimed 52 lives and affected more than 4,000 people since early May.The source of this disease was first believed to be cucumbers and tomatoes from Spain, and then was locked onto bean sprouts grown in a farm near Hamburg in the state Lower Saxony. Later European authorities said one batch of fenugreek seeds from Egypt was probably the source.

BEIJING, July 26 (Xinhuanet) -- Seven of the 20 top selling American prescription drugs will lose their patents by the end of next year, making way for less expensive generic versions, according to media reports.It's a shift that could save consumers billions of dollars -- assuming those big-ticket medications are willing to give up a trusted brand name for an off-label replacement.The prices of medications such as cholesterol-fighting Lipitor and blood thinner Plavix are expected to go down significantly, according to the U.S. Food and Drug Administration (FDA).Lipitor will lose its patent in November. When that patent expires, people are advised to buy atorvastatin, the generic equivalent. Other brand names include the anti-psychotic Zyprexa and the rheumatoid arthritis and psoriasis drug Enbrel, of which the patent will expire in October and October of next year, respectively.Over the next 10 years, an estimated 120 more brand-name prescription drugs will lose their patents in the U.S.

BEIJING, Aug. 24 (Xinhuanet) -- Facebook said it is overhauling its privacy settings to give members easier, more precise control over who sees posts, photos and other content over the vast social network.Starting Thursday, Facebook is rolling out new privacy tools that are placed with each piece of content, replacing options that are now buried in overall account settings.Privacy has been a consistently sticky problem for the Palo Alto firm, which has felt the heat from privacy advocates and government regulators. And recently, Facebook faced stiffer competition from Google's new Google+ social network, which was hailed for including a "circles" feature with easy-to-use privacy settings.Instead of vague labels such as "everyone," which have been mistaken for a Facebook member's social network instead of anyone on the Internet, the new system will include more precise words such as "public.""You have told us that 'who can see this?' could be clearer across Facebook, so we have made changes to make this more visual and straightforward," Chris Cox, Facebook's vice president of product, said in blog post."The main change is moving most of your controls from a settings page to being inline, right next to the posts, photos and tags they affect. Plus there are several other updates here that will make it easier to understand who can see your stuff (or your friends') in any context," Cox said.While privacy advocates reserved judgment until the new settings are actually released, they were optimistic the changes will benefit consumers."These changes do make me feel very confident in the direction that Facebook is going and the way they are thinking about privacy," said Erica Newland, policy analyst for the Center for Democracy & Technology in Washington, D.C.

BEIJING, June 29 (Xinhuanet) -- Twitter Inc. co-founders Biz Stone and Evan Williams said they are moving on from the microblogging service, media reports said Wednesday.“The Twitter crew and its leadership team have grown incredibly productive,” Stone said on the blog. “I’ve decided that the most effective use of my time is to get out of the way until I’m called upon to be of some specific use.”The two will continue to advise Twitter on strategic matters, but devote the lions' share of their time to The Obvious Corporation, Stone said.Obvious was first created by Williams to buy back a company from investors that he and Stone failed to sell about six years ago, Stone said. The two began working together after leaving Google in 2005.The company will also be run by Jason Goldman, a former Twitter executive, Stone said.

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