It's a nightly dilemma in many households: A student hits a wall doing homework, and parents are too tired, too busy—or too mystified—to help. dilemma:困境,进退两难 mystified:困惑的,使难解 Ordering up a tutor is becoming as easy for kids as grabbing a late-night…

Big data. It's the latest IT buzzword, and it isn't hard to see why. The ability to parse more information, faster and deeper, is allowing companies, governments, researchers and others to understand the world in a way they could only dream about bef…

Many students cruise along just fine in math until fourth grade or so. Then, they hit a wall -- fractions. cruise:巡航,巡游,漫游 fraction:分数,片段The wall is about to get taller. With mastery of the topic seen as a crucial stepping stone to progressing in mat…

Billions of dollars are flowing into online advertising. But marketers also are confronting an uncomfortable reality: rampant fraud. rampant:猖獗的,狂暴的 About 36% of all Web traffic is considered fake, the product of computers hijacked by viruses and pro…

China has tried your form of government and found it wanting. That was the message delivered by Chinese President Xi Jinping during an expansive address at the College of Europe in Bruges, Belgium, this week that capped off his first visit to Western…

The appointment of India-born Satya Nadella as Microsoft Corp.'s CEO has caused a bit of a stir in China, where people are questioning why Indians but not Chinese are getting top jobs in the U.S. Language and familiarity with Western culture are the…

Buying real estate involves weighing a lot of factors: location, price . . . smell? Some condo developers are betting that the best way to a buyer's heart is through the nose. The latest sales tools are signature scents designed to enhance a buyer's…

AT THE ACADEMY AWARDS earlier this month, Kerry Washington, the star of the ABC-TV series 'Scandal,' wore a lilac Jason Wu gown, tailor-made to accommodate what she playfully called her little 'accessory'-a growing baby bump. These days, that's just…

Anyone who has felt like the odd duck of the group can take heart from new research from Harvard Business School that says sticking out in distinct ways can lend you an air of presence or influence. Standing out in certain circumstances, like wearing…

Mistrust between U.S. and Malaysian air-accident investigators has hampered a multinational probe into the jetliner that went missing three weeks ago, people familiar with the investigation said, with no clear leads emerging about who or what was res…