For humans to grow and to replace and heal damaged tissues, the body's cells must continually reproduce, a process known as "cell division," by which one cell becomes two, two become four, and so on. A key question of biomedical ...
Biotechnology
Dec 20, 2012
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Argonne's new supercomputer won't be in full production until 2013, but it represents such a leap forward that just the first two prototype racks already rank among the top 100 fastest computers in the world.
Hardware
Nov 20, 2012
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Scientists from the Friedrich Miescher Institute for Biomedical Research have elucidated mechanisms that control DNA movement in the nucleus. They found that DNA with double-strand breaks moves more than undamaged DNA, thereby ...
Cell & Microbiology
Apr 17, 2012
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Large numbers of people moved between Africa and Europe during recent and well-documented time periods such as the Roman Empire, the Arab conquest, and the slave trade, and genetic evidence of these migrations lives on in ...
Evolution
Mar 26, 2012
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The evolution of plants and animals generally has been thought to occur through the passing of genes from parent to offspring and genetic modifications that happen along the way. But evolutionary biologists from Brown University ...
Biotechnology
Feb 16, 2012
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One of the big mysteries in biology is why cells age. Now scientists at the Salk Institute for Biological Studies report that they have discovered a weakness in a component of brain cells that may explain how the aging process ...
Cell & Microbiology
Feb 3, 2012
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Scientists are a step closer to explaining one of the most enduring mysteries of modern biology; why are there males and females?
Evolution
Dec 19, 2011
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Growing up just got more complicated. Thomas Jefferson University biochemistry researchers have shown for the first time that the receptor for a major insect molting hormone doesn't activate and repress genes as once thought. ...
Biochemistry
Oct 6, 2011
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Adenoviruses cause respiratory diseases and are more dangerous for humans than previously assumed. They manipulate gatekeeper molecules and infiltrate the cell nucleus with the aid of the host cell. A team of researchers ...
Cell & Microbiology
Oct 3, 2011
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Despite their name, not all clones are created equal. This is especially true for the products of somatic cell nuclear transfer (SCNT), which entails the transplantation of the nucleus from a mature somatic cell, or non-reproductive ...
Biotechnology
Nov 5, 2010
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