HIV drug can also protect injection drug users

Dr. Lisa Sterman holds up a Truvada pill at her office in San Francisco on Thursday, May 10, 2012. Sterman prescribes Truvada off-label for about a dozen patients at high risk for developing AIDS. On Wednesday, June 12, 2013, U.S. health officials said the drug is an option for preventing in…

Lawsuits over government surveillance languish

Mark Klein poses for photographs at his home in Alameda, Calif., Tuesday, June 11, 2013. Before there was Edward Snowden and the leaking of an explosive court document showing wide-spread government eavesdropping, there was Mark Klein _ a San Francisco telecommunications technician who alleg…

Lawsuits over government surveillance languish

Mark Klein looks through documents while interviewed at his home in Alameda, Calif., Tuesday, June 11, 2013. Before there was Edward Snowden and the leaking of an explosive court document showing wide-spread government eavesdropping, there was Mark Klein _ a San Francisco telecommunications …

Lawsuits over government surveillance languish

Mark Klein holds up documents while posing for photographs at his home in Alameda, Calif., Tuesday, June 11, 2013. Before there was Edward Snowden and the leaking of an explosive court document showing wide-spread government eavesdropping, there was Mark Klein _ a San Francisco telecommunica…

Lawsuits over government surveillance languish

Mark Klein poses for photographs at his home in Alameda, Calif., Tuesday, June 11, 2013. Before there was Edward Snowden and the leaking of an explosive court document showing wide-spread government eavesdropping, there was Mark Klein _ a San Francisco telecommunications technician who alleg…

Lawsuits over government surveillance languish

Mark Klein looks through documents while interviewed at his home in Alameda, Calif., Tuesday, June 11, 2013. Before there was Edward Snowden and the leaking of an explosive court document showing wide-spread government eavesdropping, there was Mark Klein _ a San Francisco telecommunications …

Lawsuits over government surveillance languish

Mark Klein holds up documents while posing for photographs at his home in Alameda, Calif., Tuesday, June 11, 2013. Before there was Edward Snowden and the leaking of an explosive court document showing wide-spread government eavesdropping, there was Mark Klein _ a San Francisco telecommunica…

Denials in surveillance program require decoding

A man walks past a Google sign in Mountain View, Calif., Friday, June 7, 2013. Google CEO Larry Page is denying reports linking the Internet search company to a secret government program that has provided the National Security Agency access to email and other personal information transmitted…

Obama pitching new health care law in California

President Barack Obama waves after arriving on Air Force One at Moffett Federal Airfield in Moffett Field, Calif., Thursday, June 6, 2013. (AP Photo/Jeff Chiu)

Obama pitching new health care law in California

President Barack Obama waves as he arrives on Air Force One at Moffett Federal Airfield in Mountain View, Calif., Thursday, June 6, 2013. (AP Photo/Jeff Chiu)

'Lean In' back at No. 1 on NYT best-seller list

FILE - This Jan. 15, 2013 file photo shows Facebook chief operating officer Sheryl Sandberg at Facebook headquarters in Menlo Park, Calif. “Lean In” is now in its 15th printing and has sold 600,000 copies just three months after publication, Bogaards said Thursday, June 6. Sandberg, Facebook…

Tim Duncan busca su quinto título

Tim Duncan, delantero de poder de los San Antonio Spurs.

Game of the day: Giants 6, Rockies 5: Inside-the-park homer by Pagan lifts Giants

San Francisco's Angel Pagan slides past catcher Wilin Rosario for the first inside-the-park homer to end a game since 2004.

NBA playoffs: Spurs 94, Warriors 82: Spurs a step closer to title shot

The San Antonio Spurs bench cheers along with forward Kawhi Leonard after he nailed a late three-point shot to help his team stave off Golden State.

Google offers deal on 'radio without rules'

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NBA Playoffs: Warriors 97, Spurs 87, OT: Mom's words spark Curry

Warriors guard Stephen Curry shoots around San Antonio's Tim Duncan and Manu Ginobili in overtime of Golden State's win that evened the series.

After Boston, backpacks face new scrutiny

A security guard checks the backpack of a fan entering AT&T Park before a baseball game between the San Francisco Giants and the Arizona Diamondbacks in San Francisco.

Sweet Sixteen: Larranaga still the same old 'wacky' coach

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Minimal procedures changing heart care

Atlanta cardiologist Dr. Spencer King demonstrates how a catheter is used to repair a diseased heart valve. Many problems that used to require open heart surgery now are treated with minimally invasive procedures.

Day 3 preview: Ducks: We can 'really play with anybody'

Oregon's Johnathan Loyd passes to forward Arsalan Kazemi during the Ducks' Thursday win over Oklahoma State. The Ducks face Saint Louis today.

Midwest Region: No. 12 seed? Ducks win easily

Arsalan Kazemi, right, who scored 11 points and grabbed 17 rebounds for Oregon, celebrates with teammate Ben Carter.

El beisbol ya tiene Rey

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Business briefs

Sheryl Sandberg

Facebook makes News Feed sortable and more relevant

At Facebook headquarters in Menlo Park, Calif., CEO Mark Zuckerberg unveils a new look for the News Feed, where the website's 1 billion users go to see what's happening with their friends, family and favorite businesses.

Animal shots of the week

San Francisco Giants pitcher Sergio Romo feeds a squirrel monkey named after Giants catcher Buster Posey at the San Francisco Zoo in San Francisco, Thursday, Feb. 7, 2013. A four-month old female langur monkey, born during the Giants' National League Divisional Series against the Cincinnati …

California basketball: Crabbe eats up minutes, defenses

Cal junior Allen Crabbe, grabbing a rebound over Washington's Desmond Simmons, is more than the Pac-12's busiest player. The 6-foot-6-inch, 210-pound guard is averaging 19.3 points, 5.5 boards and 2.5 assists a game.

Super Bowl XLVII pregame

Baltimore Ravens fan Cal Wheaton looks out toward the Super Bowl XLVII sculpture on a barge along the Riverwalk in New Orleans, Sunday, Feb. 3, 2013. The city hosts NFL football's Super Bowl XLVII between the San Francisco 49ers and Baltimore Ravens on Sunday. (AP Photo/Jeff Chiu)

TECh TEST: Facebook's search tool great for social features, not general info

Facebook CEO Mark Zuckerberg introduces "graph search," which lets users search their social connections.

Smart Shopping Apps

Shopping apps are a great way to find the best deals.

News from Home

Riley Hunt, 2, watches as diver George Bell, dressed as Santa Claus, swims in the 100,000-gallon Amazon Flooded Forest tank as part of the 'Tis the Season for Science holiday exhibit at the California Academy of Sciences in San Francisco.

Animal shots of the week

Pike, a 30-year old female polar bear, rolls around in snow that was brought in to celebrate her birthday and the holiday season at the San Francisco Zoo in San Francisco, Thursday, Nov. 15, 2012. (AP Photo/Jeff Chiu)

NFL Cheerleaders: Week 10

An honor guard and San Francisco 49ers cheerleaders take part in a Salute to Service during before the start of an NFL football game between the San Francisco 49ers and the St. Louis Rams in San Francisco, Sunday, Nov. 11, 2012. (AP Photo/Jeff Chiu)

Pac-12 women's preview: Stanford goes for 6th straight Final Four

Pac-12 Defensive Player of the Year Chiney Ogwumike (13), celebrating a 117-33 exhibition victory over Corban University on Nov. 1 with Amber Orrange (33) and Jasmine Camp (23), is back to lead a Stanford team that lost only two games last season.

Charming iPad Mini disappoints

Buyers should look closely at the competition before deciding on the $329 Apple iPad Mini. Its screen is fine by last year's standards, but this year there are other tablets that are cheaper than the iPad Mini, weigh only slightly more and still have better screens.

Even with apps, using tablet for work is iffy

Quickoffice is designed to make Apple and Android mobile devices compatible with Microsoft Office, even if the software isn't installed on them. The $19.99 app includes programs similar to Microsoft Word for documents, Excel for spreadsheets and PowerPoint for presentations. But the programs…

SF itching for revenge

San Francisco's Kyle Williams hopes he has a better game against the Giants than last season when he fumbled a punt in overtime in the NFC title game. The Giants recovered and kicked a field goal to win the game 20-17.

Celeb shots of the week

Apple CEO Tim Cook, left, talks with musician Dave Grohl of the Foo Fighters as they look at an iPhone 5 during an Apple event in San Francisco, Wednesday, Sept. 12, 2012. (AP Photo/Jeff Chiu)

Bigger, Thinner, lighter, TALLER

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NFL cheerleaders

San Francisco 49ers cheerleaders line up before an NFL preseason football game against the Minnesota Vikings in San Francisco, Friday, Aug. 10, 2012.(AP Photo/Jeff Chiu)

Touch-based controls, Internet storage new for Microsoft Office

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Game of the day: Giants 10, Astros 0: Cain is first SF pitcher to throw perfect game

Matt Cain celebrates seconds before being mobbed by his teammates. His perfect game was the second in the majors this season. The only other years that has happened were 2010 and 1880.

Race-blind policy hurting Calif. campuses' diversity

Unhappy about enrollment policies, protesters staged a sit-in at the University of California-Berkeley earlier this month.

Celeb shots of the week

Actor Anthony Anderson is shown during the celebrity challenge at the AT&T Pebble Beach National Pro-Am golf tournament in Pebble Beach, Calif., Wednesday, Feb. 8, 2012. (AP Photo/Jeff Chiu)

Arizona at Stanford

Arizona forward Solomon Hill (44) dunks against Stanford guard/forward Anthony Brown, left, and forward Dwight Powell (33) during the first half of an NCAA college basketball game in Stanford, Calif., Saturday, Feb. 4, 2012. (AP Photo/Jeff Chiu)

Arizona at Stanford

Arizona guard Kyle Fogg (21) shoots against Stanford forward Josh Huestis (24) during the first half of an NCAA college basketball game in Stanford, Calif., Saturday, Feb. 4, 2012. (AP Photo/Jeff Chiu)

Arizona at Stanford

Stanford forward Josh Huestis (24) grabs a rebound in front of Arizona guard Brendon Lavender (24) during the first half of an NCAA college basketball game in Stanford, Calif., Saturday, Feb. 4, 2012. (AP Photo/Jeff Chiu)

NFL: 49ers TE Davis has grown up, is winner

Emotional 49ers tight end Vernon Davis hugged coach Jim Harbaugh and cried after catching the winning TD pass last week with nine seconds left.

Animal shots of the week

Young bison are shown at the Golden Gate Park Buffalo Paddock in San Francisco, Thursday, Jan. 5, 2012. San Francisco officials are blaming an off-leash dog for the death of a baby bison found injured in its enclosure at Golden Gate Park. The San Francisco parks department says the bison was…

San Francisco Christmas

Pedestrians look at a home decorated with holiday display and a large Christmas with the San Francisco skyline at rear in San Francisco, Wednesday, Dec. 21, 2011. (AP Photo/Jeff Chiu)