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Showing results 51-61 of 61 for 'Chemistry'


  • leaders-and-lifters-tn
    ""Leaders and Lifters"" Help Ants Move Massive Meals

    Weizmann scientists have solved a longstanding mystery: exactly how ants work together to move large objects. BBC News reports that most of the ants do the ""heavy lifting,"" while a few scouts guide them back to the nest. As the Weizmann team said, the ants ""appear to have a mathematically perfect balance between individuality and conformism.""

    /news-media/in-the-news/leaders-and-lifters-help-ants-move-massive-meals
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  • best-people-best-science
    Best People, Best Science

    The Weizmann Institute's most important asset is its people. That's why the Institute is committed to recruiting and nurturing some of the world's brightest young researchers. Here, six impressive new scientists – Drs. Ronen Eldan, Ofer Firstenberg, Yifat Merbl, Neta Regev-Rudzki, Nir London, and Efi Efrati – share how the Institute is helping them make breakthroughs in areas ranging from malaria to optics.

    /news-media/video-gallery/best-people-best-science
  • Back_to_Basics_Forward_to_the_Future
    Back to Basics, Forward to the Future

    The Weizmann Institute conducts basic science research, but what, exactly, is that? Go with Profs. Uri Alon, Roy Bar-Ziv, Israel Dostrovsky, Shafi Goldwasser, Yair Reisner, Leo Sachs, Idit Shachar, Eran Segal, Ady Stern, and Dan Tawfik on a tour of basic science research: what is, how it has benefitted humankind, and how it will likely shape the future.

    /news-media/video-gallery/back-to-basics-forward-to-the-future
  • ada-yonath-story
    The Ada Yonath Story

    Learn about the life of Prof. Ada Yonath, who overcame major challenges to become only the fourth woman in history to win the Nobel Prize in Chemistry. She accomplished what many others had tried and failed to do: crystallize the ribosome. Her method is used today to develop new types of antibiotics. In 2009, she won the Nobel Prize for deciphering the structure and function of the ribosome.

    /news-media/video-gallery/the-ada-yonath-story
  • A_Gift_From_Mother_Nature
    A Gift from Mother Nature

    Weizmann scientists, including Prof. Meir Wilchek, found that a natural attraction between two molecular substances - avidin and biotin - could be put to practical use. See this biological match in action.

    /news-media/video-gallery/a-gift-from-mother-nature
  • In Pursuit of Female Chemists

    Renowned chemist Carol V. Robinson writes in Nature about the challenges facing women scientists in the field. Weizmann's Prof. Ada Yonath, winner of the Nobel Prize in Chemistry, is featured.

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    Controlling Electron Spin for Efficient Water Splitting

    Splitting water molecules to produce hydrogen for fuel holds promise for alternative energy. However, current methods of water splitting also form hydrogen peroxide, which adversely affects the process. Now, Prof. Ron Naaman and an international team have found a way to control the spin of electrons, resulting in hydrogen-peroxide-free water splitting.

    /news-media/news-releases/controlling-electron-spin-for-efficient-water-splitting
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    Your Sense of Smell is Actually Pretty Amazing

    Our noses are a much more powerful tool than most of us realize—more sensitive, in many cases, than the most expensive piece of laboratory equipment. Case in point: If you had happened to cross the University of California at Berkeley campus in the early 2000s, you might have noticed an undergraduate—blindfolded, earplugged, and wearing coveralls, knee pads, and heavy gloves—crawling across the lawn with nose to ground, zigzagging slightly back and forth. Was he rolling a peanut across the campus with his nose as punishment for some arbitrary offense during a fraternity initiation? Was he groveling before more senior fraternity brothers? No. He was following a scent trail laid down by a chocolate-soaked string—and doing it almost perfectly.

    /news-media/in-the-news/your-sense-of-smell-is-actually-pretty-amazing
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    The Breaking Point

    It is said that a weak link determines the strength of the entire chain. Likewise, defects or small cracks in a solid material may ultimately determine the strength of that material – how well it will withstand various forces. For example, if force is exerted on a material containing a crack, large internal stresses will concentrate on a small region near the crack’s edge. When this happens, a failure process is initiated, and the material might begin to fail around the edge of the crack, which could then propagate, leading to the ultimate failure of the material.

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