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The Sahara desert. It is the world’s largest desert. It covers a third of the African continent--an area about the size of the United States. The Sahara desert is one of the hottest, driest places on ...

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Science and Technology. Air travel. Please be seated. A faster way of boarding planes could save time and money. THE job of the professional astrophysicist is to contemplate the music of the spher...

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Professor Zuber thanks for talking to us today. Zuber: It's good to be here. Steve: Tell me about this report. How did the report actually come into being? Zuber: Okay. This report is actually a fo...

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So imagine this yellow portion is the portion where the tri-nucleotide repeat is, and as you know helicases open the DNA, the DNA polymerases copy it. So we're going to watch that repeat now get throu...

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We tell about an old Roman Catholic missionin California,once known for getting winged visitors each spring.And we listen to some songs about the different ways humans experience the end of love.(MUSI...

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Business. Bakers and chaebol in South Korea. Let them eat cake. A half-baked effort to curb the conglomerates. SOME parents give their children cakes. A few give them cake shops. The hot topic ...

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Dr. Johanson, thank you very for talking to us today. Johanson: Well, it's a pleasure to be here to talk about this exciting new discovery from Ethiopia. Steve: A major paleoanthropological find tha...

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As sea levels rise, hundreds of millions of people around the world will have to move to higher ground. The reality is that we can't hold back the water by surrounding ourselves with walls, and in...