Even bacteria have a kind of "immune system" they use to defend themselves against unwanted intruders – in their case, viruses. Scientists at the Helmholtz Center for Infection Research (HZI) in Braunschweig, Germany, were ...
Cell & Microbiology
Apr 30, 2013
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Since 1997, a shrubby perennial found only in East Texas has been on a waiting list to be officially declared by the U.S. Fish and Wildlife Service as threatened under the Endangered Species Act. A ruling on the fate of the ...
Ecology
Apr 23, 2013
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An international team of researchers including Svante Pääbo and Qiaomei Fu of the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, sequenced nuclear and mitochondrial DNA that had been extracted from ...
Archaeology
Jan 21, 2013
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Detective-style high-tech methods are being used in meat factories to trace harmful microbial contaminants.
Cell & Microbiology
Jan 14, 2013
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The first rigorous analysis of the crime-fighting power of DNA profiling finds substantial evidence of its effectiveness.
Social Sciences
Jan 11, 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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(Phys.org)—Murdoch University DNA scientists have used 30,000-year-old faecal matter known as middens to ascertain which plants and animals existed at that time in the hot, arid Pilbara region of North Western Australia.
Biotechnology
Nov 16, 2012
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Newly-crowned Nobel laureate Shinya Yamanaka on Monday cautioned that stem cells could still spur sharp debate, despite his achievement in creating cells that are not derived from embryos.
Cell & Microbiology
Nov 12, 2012
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A DNA match led to the arrest of a man accused of murdering a teenaged New York girl 14 years ago in what had been an unsolved case, city prosecutors said Thursday.
Other
May 10, 2012
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Analyzing DNA from four ancient skeletons and comparing it with thousands of genetic samples from living humans, a group of Scandinavian scientists reported that agriculture initially spread through Europe because farmers ...
Evolution
Apr 30, 2012
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