Sept. 11 Memorial Museum prepares for opening

More than a decade after the twin tower attacks in New York City, the National September 11 Memorial Museum will open its doors with a dedication from President Obama on Thursday, and an official opening for the public on May 21. Duration: 00:52 May 15, 2014

Kiev hosts 'unity' talks as Russia warns of civil war

Ukraine's embattled leaders vowed Wednesday they would not bow to "blackmail" by pro-Russian rebels waging an insurgency in the east as Kiev launched round-table talks under a Western-backed push to prevent the country falling apart. Duration: 00:53 May 15, 2014

Chilean comes up with a groundbreaking water purifier

A Chilean designed an innovative purifier that transforms water into plasma, killing viruses and bacteria. It will be installed in poor areas of Haiti, Bolivia, Chile and Ghana, benefiting about 10,000 families in its pilot phase. Duration: 01:43 May 15, 2014

Teams race to rescue Turkish trapped miners after blast

Anger erupted across Turkey on Wednesday as hopes faded for scores of workers trapped in a collapsed mine and the death toll rose to 274, in what has become the country's worst mining disaster. Duration: 01:05 May 15, 2014

Qatar to end sponsorship system for foreign workers

Qatar, which will host the 2022 football World Cup, said Wednesday it will abolish its controversial sponsorship system for foreign workers as international criticism mounts over their treatment. Duration: 01:07 May 15, 2014

Qat habit drains Yemen's precious groundwater

Mountainous Yemen is blessed with more water than its Arabian desert neighbours but the national passion for the stimulant plant qat threatens to exhaust that precious resource. Duration: 02:37 May 14, 2014