Archive: 8/02/2006

Scientists study how sperm get into an egg

Scientists from Howard Hughes Medical Institute in Maryland say they've identified a key component of the mechanism spermatozoa use to enter an egg.

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NASA lists Challenges Program rules

NASA's Centennial Challenges Program officials Wednesday released draft rules for six new prize competitions, including spacesuit and vehicle challenges.

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IBM Unveils Revolutionary Cell Broadband Engine Computer

At a press conference in New York today, IBM introduced a blade computing system based on the Cell Broadband Engine (Cell BE). The IBM branded Cell BE-based system is designed for businesses that need the dense computing ...

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Physics in the Game: When a Goal is Scored as if by Magic

Miracles happen over and over again. Even in the sport which the Germans love the most – soccer. But when the ball flies in a curve and hits the goal it has nothing to do with magic powers. Here it is rather a question ...

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Sex: It's costly but worth it. Just ask a microbe

The next time you mutter about the high cost of relationship maintenance, take comfort in knowing that microbes share your pain. In the first study to examine the cost of sexuality in microbes, Jianping Xu, associate professor ...

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Study explains unexpected conductivity of nanoscale silicon

When graduate student Pengpeng Zhang successfully imaged a piece of silicon just 10 nanometers-or a millionth of a centimeter-in thickness, she and her University of Wisconsin-Madison co-researchers were puzzled. According ...

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