"You're talking about almost reinventing the way computers operate and how you interact with them as humans."
The president put the drawdown of U.S. forces in Afghanistan into high gear ahead of next year’s withdrawal deadline.
The restaurant business is very competitive in the United States and many people choose to eat out at well-known chain restaurants.
Some people say we live in a dog-eat-dog world. That means many people are competing for the same things, like good jobs.
The horse meat scandal started in Ireland and the United Kingdom in January, but has since spread all around the EU.
President Obama set out goals for his second term earlier this week during his fifth State of the Union message to Congress.
But first, we visit a famous New York City train station that is 100 years old this month.
The film follows Rwandan cardiologist Emmanuel Rusingiza as he struggles to save young heart patients, some with just months to live.
"You just want to give up. You turn into yourself. You close off to the outside world. It is very depressing," he explains.
Today we tell about a very popular musical instrument. Listen and see if you can guess what it is.
Generations of schoolchildren have been taught that Christopher Columbus discovered the New World.
The 16-year-old Maryland resident is the youngest-ever recipient of the $75,000 award, beating out more than 1,500 students from 70 countries.