News tagged with death
Molecular spectroscopy tracks living mammalian cells in real time as they differentiate
Knowing how a living cell works means knowing how the chemistry inside the cell changes as the functions of the cell change. Protein phosphorylation, for example, controls everything from cell proliferation ...
Chemistry / Analytical Chemistry
Apr 30, 2012 |
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Scientists unlock key to cancer cell death mystery
An international team of scientists has announced a new advance in the ability to target and destroy certain cancer cells.
Mar 26, 2012 |
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Steelhead trout lose out when water is low in wine country
(Phys.org) -- The competition between farmers and fish for precious water in California is intensifying in wine country, suggests a new study by biologists at the University of California, Berkeley.
May 08, 2012 |
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Two genes do not make a voter: new research
Voting behavior cannot be predicted by one or two genes as previous researchers have claimed, according to Evan Charney, a Duke University professor of public policy and political science.
Feb 29, 2012 |
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When dying, bacteria share some characteristics with higher organisms
Do bacteria, like higher organisms, have a built-in program that tells them when to die? The process of apoptosis, or cell death, is an important part of normal animal development. In a new study published March 6 in the ...
Mar 06, 2012 |
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Conservatism saved Iceland from catastrophe
The people of medieval Iceland survived disaster by sticking with traditional practices, an innovative new study suggests.
Space & Earth / Earth Sciences
Mar 22, 2012 |
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An elusive new scorpion species from California lives underground
Even in places as seemly well-studied as the national parks of North America, new species are still being discovered. Using ultraviolet light that cause scorpions to fluoresce a ghostly glow, researchers from ...
Mar 23, 2012 |
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Protein 'jailbreak' helps breast cancer cells live
If the fight against breast cancer were a criminal investigation, then the proteins survivin, HDAC6, CBP, and CRM1 would be among the shadier figures. In that vein, a study to be published in the March 30 ...
Mar 28, 2012 |
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Researchers identify novel regulatory network within legumes
(PhysOrg.com) -- Three collaborating laboratories in the Department of Plant and Soil Sciences at the University of Delaware -- those of professors Blake Meyers, Janine Sherrier and Pamela J. Green -- recently ...
Jan 30, 2012 |
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Are silver nanoparticles harmful?
Silver nanoparticles cause more damage to testicular cells than titanium dioxide nanoparticles, according to a recent study by the Norwegian Institute of Public Health. However, the use of both types may affect testicular ...
Nanotechnology / Bio & Medicine
Mar 14, 2012 |
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Yellow-cedar are dying in Alaska: Scientists now know why
Yellow-cedar, a culturally and economically valuable tree in southeastern Alaska and adjacent parts of British Columbia, has been dying off across large expanses of these areas for the past 100 years. But ...
Feb 01, 2012 |
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New study links air pollution and early death in the UK
In a study appearing this month in the journal Environmental Science and Technology, MIT researchers report that emissions from cars, trucks, planes and powerplants cause 13,000 premature deaths in the United Kingdom each y ...
Apr 19, 2012 |
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Science lacking on whether death penalty deters murder
Scientific research to date provides no useful conclusion on whether the death penalty reduces or boosts the murder rate, said a report by the US National Academy of Sciences on Wednesday.
Other Sciences / Social Sciences
Apr 18, 2012 |
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EPA to cut air pollution from natural gas 'fracking'
(HealthDay) -- The U.S. Environmental Protection Agency on Wednesday issued the first national standards to curb air pollution linked with the controversial practice of "fracking."
Apr 19, 2012 |
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History is key factor in plant disease, study finds
(Phys.org) -- The virulence of plant-borne diseases depends on not just the particular strain of a pathogen, but on where the pathogen has been before landing in its host, according to a new study from researchers ...
Apr 19, 2012 |
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Death
Death is the permanent termination of the biological functions that define a living organism. It refers to both a particular event and to the condition that results thereby. The true nature of the latter has for millennia been a central concern of the world's religious traditions and of philosophical enquiry. Many religions maintain faith in either some kind of afterlife or reincarnation. The effect of physical death on any possible mind or soul remains for many an open question.
Animals almost without exception (see hydra) die in due course from senescence. Intervening phenomena which commonly bring death earlier include malnutrition, predation, disease, accidents resulting in terminal physical injury, or, in extreme circumstances, grave ecosystem disruption. Intentional human activity causing death includes suicide, homicide, and war. Roughly 150,000 people die each day across the globe. Death in the natural world can also occur as an indirect result of human activity: an increasing cause of species depletion in recent times has been destruction of ecological systems as a consequence of the widening spread of industrial technology.
Death in this context is now seen as less an event than a process: conditions once considered indicative of death are now reversible. Where in the process a dividing line is drawn between life and death depends on factors beyond the presence or absence of vital signs. In general, clinical death is neither necessary nor sufficient for a determination of legal death. A patient with working heart and lungs determined to be brain dead can be pronounced legally dead without clinical death occurring. Precise medical definition of death, in other words, becomes more problematic, paradoxically, as scientific knowledge and technology advance.
For more information about Death, read the full article at
Wikipedia.
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