Before there was life on Earth, there were molecules. A primordial soup. At some point a few specialized molecules began replicating. This self-replication, scientists agree, kick-started a biochemical process that would ...
Cell & Microbiology
Sep 13, 2013
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Researchers have discovered a microbe that stays forever young by rejuvenating every time it reproduces. The findings, published in Current Biology, provide fundamental insights into the mechanisms of aging.
Cell & Microbiology
Sep 12, 2013
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By studying processes that occur at the ends of chromosomes, a team of Heidelberg researchers has unravelled an important mechanism towards a better understanding of cellular aging. The scientists focused on the length of ...
Cell & Microbiology
Sep 11, 2013
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Proteins are the chief actors in cells, carrying out the duties specified by information encoded in our genes. Most proteins live only two days or less, ensuring that those damaged by inevitable chemical modifications are ...
Cell & Microbiology
Sep 3, 2013
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At the end of the last Ice Age, as the world began to warm, a swath of the North Pacific Ocean came to life. During a brief pulse of biological productivity 14,000 years ago, this stretch of the sea teemed with phytoplankton, ...
Earth Sciences
Jul 14, 2013
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(Phys.org) —Look what might help us live longer—worms! Researchers at the Boyce Thompson Institute for Plant Research (BTI) and Cornell have shown that roundworms can live up to 20 percent longer when bathed in their ...
Biochemistry
Mar 29, 2013
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(Phys.org)—Part of the ancient mystery of the makeup of the modern Western dog has been solved by a team led by researchers at the University of California, Davis, School of Veterinary Medicine.
Plants & Animals
Feb 25, 2013
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(Phys.org)—Transposable elements are mobile strands of DNA that insert themselves into chromosomes with mostly harmful consequences. Cells try to keep them locked down, but in a new study, Brown University researchers ...
Cell & Microbiology
Jan 30, 2013
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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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Research carried out at Universidad Carlos III of Madrid in collaboration with the Centro Nacional de Investigaciones Oncologicas employed computational techniques to improve the characterization of proteins. The system they ...
Cell & Microbiology
Nov 26, 2012
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