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PGT: Rookie Chris Kirk shot a 3-under 69 on Friday to take a one-stroke lead over defending champion Anthony Kim and 2008 winner Johnson Wagner after two rounds at the Houston Open.

%excerpt% View post: GolfChannel: The Masters, by the numbers

Dr. Jon LaPook reports on the caregivers for Alzheimer's patients, many of whom are spouses or family members, suffering right along with their loved ones.

Jeff Sluman tied a course record with a 6-under-par 66 on Friday to take a one-shot lead over Tom Lehman at the Mississippi Gulf Resort Classic at Fallen Oak.

Saudi Arabia, the world's largest oil exporter, may not be panicking quite yet about its ever-declining oil supply--but the country is certainly concerned. Consider: in February, a Wikileaks document revealed that Saudi Arabia might be overstating its oil reserves by 300 billion barrels, and the country recently asked for a slice of the UN's $100 billion climate change fund to help diversify to other energy sources (a galling request from such a wealthy country so dependent on other people not diversifying to other energy sources). And now the kingdom has announced that it plans to spend $100 billion on solar, nuclear, and other renewable energy sources.

Today, leading publishers including The Washington Post and Time Inc. sent Vancouver-based startup Zite a cease-and-desist letter

Nearly 15 million Americans provide nearly 17 billion hours of unpaid Alzheimer's care annually

Apple 's filed a bumper crop of patents recently, and some of them hint at pretty neat features in future iDevices.

By Eugenie Samuel Reich of Nature magazine Neutrinos have long perplexed physicists with their uncanny ability to evade detection, with as many as two-thirds of the ghostly particles apparently going missing en route from the Sun to Earth. [More]

Yesterday, baseball fans celebrated Opening Day of the 2011 season. In honor of that, I wanted to share an impressive and interesting invention featured in the September 28, 1912, issue of Scientific American : the Nokes Electrascore. [More]

Like it or not, many restaurant diners will soon know more about what they are eating under new menu labeling requirements proposed by the Food and Drug Administration.

The Fast Company reader's essential source for breaking news and innovation from around the web--updated all day. Mobile Scavenger Hunt Spices Up NY Library A smartphone apps that inspires patrons to explore the library's prized pieces premiers with an all-night marathon for the first 500 players.

Astronomers are probably just a few years from the first-ever finding of an Earth twin outside our solar system, that is, a planet roughly the size of Earth orbiting at a similarly temperate distance from a sun-like star.

Some 1,293 scientists sent a letter ( pdf ) this week to each and every U.S.

This video is no April's fool joke: Earth really is shaped like a potato. However, the shape that you see here is, um, slightly exaggerated to highlight its irregularities.