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[SHUBIN:] Tiktaalik was headline news the day it was described in 2006. And I remember going in to drop one of my kids off at school. And the teacher asked me, "You know, I read about y...

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Akhil Reed Amar is a professor at Yale Law School in Connecticut.He says the delegates' decision to let people elect their representatives helped change the meaning of the word "democracy.""The succes...

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In May of 1787,a group of America's early leaders met in Philadelphia, Pennsylvania.They planned to amend the Articles of Confederation.That document established a loose union of the 13 states.Instead...

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[ Music ] [Background music] It was definitely the biggest adventure of my life. [ Music ] This was the Canadian Arctic. Hundreds of miles away from any settlement. We had a narro...

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Nate saw that the cow was in trouble.He knew she needed help.He looked for a nail in the wall where he could hang his lamp.There was none.He was angry,but did not know what to do.He had to have light....

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Olive Bowen made some hot coffee to bring to her husband Nate who was over in the barn.He was helping their cow Maudie to give birth.Olive herself was expecting a baby very soon.She felt heavy and mov...

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>> Our ears allow us to pick up a wide range of sounds. From high-pitched squeaks to low, long distance calls. >> Okay. >> The secret to their capability lies in the tiniest bones in o...

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This is enough for youto hold 'my' dress for me,right?Yes, it is.But you must come back in two weeks to pay the rest.Or,the store keeps 'your' dress and a little of your first payment.Angelina felt li...