Washington, Apr 1 : Oprah Winfrey is ‘disappointed’ as her all-girls boarding school in South Africa has been hit by a second sex scandal since opening two years ago.

According to the Afrikaans on Sunday newspaper, seven students at the Oprah Winfrey Leadership Academy School for Girls near Johannesburg were suspended last week for sexually harassing their schoolmates.

The paper reports that one 15-year-old ‘preyed’ another student and urged her victims to lie to investigators about what happened, reports Usmagazine. com.

Washington, Apr. 1 : The United States Navy has expressed concern about a report that China has developed a "kill weapon" that potentially could target and destroy a U. S. aircraft carrier in a single strike.

According to Fox News, the U. S. Naval Institute, a pro-military organization, notes that a post on a Chinese blog considered credible by military analysts provides a description of an anti-ship ballistic missile that could hit U. S. ships from about 1,240 miles.

Washington, Apr 1 : A new study from University of Illinois has revealed that kids who are physically active have greater cognitive control or ability to pay attention, and perform better at school.

The research led by Charles Hillman, a professor of kinesiology and community health and the director of the Neurocognitive Kinesiology Laboratory at Illinois, showed that physical activity may increase students’ cognitive control – or ability to pay attention – and also result in better performance on academic achievement tests.

Washington, Apr. 1 : Congressional Republicans have decided to ditch the former Republican vice presidential nominee Sarah Palin in favour of the former House speaker Newt Gingrich for the House-Senate fundraising dinner on June 8 in Washington.

This is a gazebo Republican event to raise money for GOP House and Senate candidates.

Just weeks ago, the House and Senate Republican campaign committees had firmly secured telegenic Palin for the major fundraiser. But Alaska Governor's attitude made things go awry.

Washington, Apr 1 (ANI): A new study has shown that babies born to women who suffered from anxiety or depression prior to pregnancy are likely to sleep poorly at both 6 months and 12 months of age.

The researchers found that preconceptional psychological distress was a strong predictor of infant night waking, irrespective of effects of postnatal depression, bedroom sharing and other confounding factors.

A significant psychological distress prior to conception puts infant at 23-percent increased risk of infant night wakings at 6 months of age and a 22-percent increased risk at 12 months of age.

Washington, April 1 : Those on diet better avoid buffets, for a new study has shown that people tend to underestimate how much of each item is present when faced with a large variety of items.

Joseph P. Redden of the University of Minnesota and Stephen J. Hoch of the University of Pennsylvania came to this conclusion after studying consumers'' perceptions of quantity in a set of experiments.

Their aim was to determine how quantity perceptions influence portion sizes.

"Does a bowl with both red and blue candies seem to have more or less than a bowl with only one colour candy?" the researchers asked.