News tagged with living organism
Researchers demonstrate possible primitive mechanism of chemical info self-replication
(Phys.org) -- When scientists think about the replication of information in chemistry, they usually have in mind something akin to what happens in living organisms when DNA gets copied: a double-stranded molecule ...
May 25, 2012 |
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Building crystalline materials from nanoparticles and DNA
Nature is a master builder. Using a bottom-up approach, nature takes tiny atoms and, through chemical bonding, makes crystalline materials, like diamonds, silicon and even table salt. In all of them, the properties of the ...
Nanotechnology / Nanomaterials
Oct 13, 2011 |
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Earth's oldest fossils boost hopes for life on Mars
(PhysOrg.com) -- Microfossils found in Australia show that more than 3.4 billion years ago, bacteria thrived on an Earth that had no oxygen, a finding that boosts hopes life has existed on Mars, a study published ...
Space & Earth / Earth Sciences
Aug 21, 2011 |
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Hidden soil fungus, now revealed, is in a class all its own
A type of fungus that's been lurking underground for millions of years, previously known to science only through its DNA, has been cultured, photographed, named and assigned a place on the tree of life.
Aug 11, 2011 |
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Cell's power generator depends on long-sought protein: 50-year search for calcium channel ends
(PhysOrg.com) -- Mitochondria, those battery-pack organelles that fuel the energy of almost every living cell, have an insatiable appetite for calcium. Whether in a dish or a living organism, the mitochondria ...
Jun 19, 2011 |
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Stanford researcher uses living cells to create 'biotic' video games (w/ Video)
(PhysOrg.com) -- The digital revolution has triggered a wild proliferation of video games, but what of the revolution in biotechnology? Does it have the potential to spawn its own brood of games? Stanford ...
Technology / Hi Tech & Innovation
Jan 13, 2011 |
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Hong Kong researchers store data in bacteria
The US' national archives occupy more than 500 miles (800 kilometres) of shelving; France's archives stretch for more than 100 miles of shelves, as do Britain's.
Jan 09, 2011 |
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Scientists construct synthetic proteins that sustain life
(PhysOrg.com) -- In a groundbreaking achievement that could help scientists "build" new biological systems, Princeton University scientists have constructed for the first time artificial proteins that enable ...
Jan 06, 2011 |
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Milestone: A methane-metal marriage
(PhysOrg.com) -- University of Arizona scientists have inserted metal atoms into methane gas molecules and obtained a detailed structure of the resulting molecule. The discovery could be a key step in making ...
Dec 20, 2010 |
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Scientists decipher 3 billion-year-old genomic fossils
(PhysOrg.com) -- About 580 million years ago, life on Earth began a rapid period of change called the Cambrian Explosion, a period defined by the birth of new life forms over many millions of years that ultimately ...
Dec 19, 2010 |
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Uptake protein acts as zinc's doorway to the cell
(PhysOrg.com) -- A study to be published as the "Paper of the Week" in the Journal of Biological Chemistry this December details how zinc, an element fundamental to cell growth, enters the cell via zinc-s ...
Nov 22, 2010 |
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Scientific understanding of T. rex revised by a decade of new research and discovery
A new paper in Science highlights recent tyrannosaur discoveries and complex analyses of the biology of certain species. The paper includes a new family tree for T. rex and its relatives.
Other Sciences / Archaeology & Fossils
Sep 16, 2010 |
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Rocks on Mars may provide link to evidence of living organisms 4 billion years ago
A new article in press of the journal Earth and Planetary Science Letters unveils groundbreaking research on the hydrothermal formation of Clay-Carbonate rocks in the Nili Fossae region of Mars. The findin ...
Space & Earth / Space Exploration
Jul 29, 2010 |
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Computer program predicts MRSA's next move
Researchers at Duke University Medical Center are using computers to identify how one strain of dangerous bacteria might mutate in the same way a champion chess player tries to anticipate an opponent's strategies.
Jul 19, 2010 |
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'Stress' protein could halt aging process, say scientists
HSP10 (Heat Shock Protein), helps monitor and organise protein interactions in the body, and responds to environmental stresses, such as exercise and infection, by increasing its production inside cells. Researchers at Liverpool, ...
Medicine & Health / Medical research
May 24, 2010 |
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Life
Life on Earth:
Life (cf. biota) is a characteristic that distinguishes objects that have self-sustaining biological processes ("alive," "living"), from those which do not —either because such functions have ceased (death), or else because they lack such functions and are classified as "inanimate."
In biology, the science that studies living organisms, "life" is the condition which distinguishes active organisms from inorganic matter, including the capacity for growth, functional activity and the continual change preceding death. A diverse array of living organisms (life forms) can be found in the biosphere on Earth, and properties common to these organisms—plants, animals, fungi, protists, archaea, and bacteria — are a carbon- and water-based cellular form with complex organization and heritable genetic information. Living organisms undergo metabolism, maintain homeostasis, possess a capacity to grow, respond to stimuli, reproduce and, through natural selection, adapt to their environment in successive generations. More complex living organisms can communicate through various means.
In philosophy and religion, the conception and nature of life varies, and offer interpretations in the frameworks of existence and consciousness, and touch on many other related issues, such as, ontology, value, life stance, purpose, conceptions of God, the soul and the afterlife.
For more information about Life, read the full article at
Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.