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As the earth’s climate changes, one tool for understanding its environmental impacts is the study of past climate changes.
We look at when and how babies learn, and the importance of early contact with languages.
Officials say the changes could prevent more than one million cases of food-related illnesses each year.
President Barack Obama and Vice President Joe Biden attended a prayer service at Washington’s National Cathedral on Tuesday.
Michelle Obama dazzled in a ruby red gown at the inaugural balls Monday night.
We tell about efforts to develop an experimental gene treatment for patients with heart disease.
But first we report about the plans for inaugurating America’s 44th President to a second term.
For thousands more, though, it is the president's wife - first lady Michelle Obama - who is the main attraction.
The US government has already reached the congressionaly imposed borrowing limit of $16.4 trillion and could run out of money by mid-February.
Smart TVs this year were smarter. Many offered technology that let users have a more personalized experience.
Consumer electronics once again topped the list of the most wanted gifts this holiday season.
The problem facing the world community is how to meet those needs while reining in the global greenhouse gases warming the earth.
