US armed intervention in Syria would not resolve the civil war and rebel forces cannot be relied on to back American interests, the top military chief said in a letter to Congress.
The final batch of taped conversations secretly recorded by US president Richard Nixon and then used to help bring him down during the Watergate scandal were released on Wednesday.
Bed nets treated with insecticide are a simple and economical way to eradicate filariasis, a mosquito-born tropical disease that threatens 1.4 billion people worldwide.
President Barack Obama and top aides Tuesday scrutinized US strategy on Egypt, while the White House denied it had quietly frozen millions of dollars in aid after Cairo's military crackdown.
News that Samsung will unveil a "smartwatch" next month has sent rumour mills into overdrive within the tech community as it second guesses what the much-hyped gadget will offer.
After decades of hollowing out, US manufacturing is overtaking competitors and stands to grab up to $115 billion more in export business from rivals by 2020.
Al-Jazeera America went live Tuesday, accompanied by a campaign of traditional and social media for its cable channel launch, as it pledged to outdo its rivals with serious, in-depth journalism.
Egypt's interim prime minister said his country could live without aid from the US as Washington and the EU review ties with Cairo amid a bloody crackdown on supporters of deposed president Mohamed Morsi.
US President Barack Obama on Tuesday congratulated Mali's new leader Ibrahim Boubacar Keita on his election victory and vowed to work with him as the country emerges from months of conflict.
More than 200 firearms, from .22 caliber pistols to a submachine gun, have been seized in what New York called Monday the biggest seizure of illegal guns in the city's history.