News tagged with fragments
Human ancestors used fire one million years ago, archaeologist find
An international team led by the University of Toronto and Hebrew University has identified the earliest known evidence of the use of fire by human ancestors. Microscopic traces of wood ash, alongside animal ...
Other Sciences / Archaeology & Fossils
Apr 02, 2012 |
4.8 / 5 (43) |
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Fossil fragments reveal 500-million-year-old monster predator
Hurdia victoria was originally described in 1912 as a crustacean-like animal. Now, researchers from Uppsala University and colleagues reveal it to be just one part of a complex and remarkable new animal that h ...
Other Sciences / Archaeology & Fossils
Mar 19, 2009 |
4.7 / 5 (22) |
7
Mammoth Achievement: Researchers at the forefront of molecular biology
Forget Jurassic Park. By successfully sequencing the DNA of a long-extinct species, Stephan Schuster and Webb Miller have helped push back the boundaries of molecular biology.
Jan 26, 2010 |
4.6 / 5 (14) |
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State may have brief window to slow loss of working forests to development
(PhysOrg.com) -- Today's slumping economy and housing market may reduce, temporarily, the insistent economic forces on Washington's private forestland owners to give up the cycle of harvesting and replanting ...
Mar 30, 2009 |
4.4 / 5 (14) |
2
Rainforest collapse drove reptile evolution
(PhysOrg.com) -- Global warming devastated tropical rainforests 300 million years ago. Now scientists report the unexpected discovery that this event triggered an evolutionary burst among reptiles -- and ...
Space & Earth / Earth Sciences
Nov 29, 2010 |
4.8 / 5 (12) |
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Scientists reveal a first in Ice Age art
Researchers from the Smithsonian Institution and the University of Florida have announced the discovery of a bone fragment, approximately 13,000 years old, in Florida with an incised image ...
Other Sciences / Archaeology & Fossils
Jun 21, 2011 |
4.3 / 5 (10) |
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Ancient well, and body, found in Cyprus
(AP) -- Archaeologists have discovered a water well in Cyprus that was built as long as 10,500 years ago, and the skeleton of a young woman at the bottom of it, an official said Wednesday.
Other Sciences / Archaeology & Fossils
Jun 24, 2009 |
4.8 / 5 (8) |
0
Archaeologists Find Oldest Paintings of Apostles in Roman Catacombs
The earliest known icons of the Apostles Peter and Paul have been discovered in a catacomb under an eight-story modern office building in a working-class neighborhood of Rome, Vatican officials said Tuesday.
Other Sciences / Archaeology & Fossils
Jun 23, 2010 |
4.6 / 5 (8) |
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Mock atoms prove attractive: Researchers added first pseudo atoms to electronegativity scale
(PhysOrg.com) -- When studying an atom's ability to attract nearby electrons, scientists rely on electronegativity scales, which describe each atom's ability to pull in these negatively charged particles. ...
Jan 06, 2012 |
4 / 5 (9) |
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4,000-year study supports use of prescribed burns in Southern Appalachians
A new study reconstructing thousands of years of fire history in the southern Appalachians supports the use of prescribed fire, or controlled burns, as a tool to reduce the risk of wildfires, restore and maintain forest health ...
Apr 06, 2010 |
4.4 / 5 (7) |
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Fluorescent peptides help nerves glow in surgery
Accidental damage to thin or buried nerves during surgery can have severe consequences, from chronic pain to permanent paralysis. Scientists at the University of California, San Diego School of Medicine may have found a remedy: ...
Feb 06, 2011 |
5 / 5 (6) |
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Smart fungus disarms plant, animal and human immunity
Fungal and bacterial pathogens are well capable of infecting plants, animals and humans despite their immune systems. Fungi penetrate leafs, stalks and roots, or skin, intestines and lungs, to infect their ...
Aug 20, 2010 |
5 / 5 (5) |
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Direct transfer of plant genes from chloroplasts into the cell nucleus
Chloroplasts, the plant cell's green solar power generators, were once living beings in their own right. This changed about one billion years ago, when they were swallowed up but not digested by larger cells. ...
Apr 13, 2012 |
5 / 5 (5) |
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Toxic trio identified as the basis of celiac disease
Walter and Eliza Hall Institute scientists have identified the three protein fragments that make gluten - the main protein in wheat, rye and barley - toxic to people with coeliac disease.
Medicine & Health / Diseases, Conditions, Syndromes
Jul 21, 2010 |
4.8 / 5 (5) |
0
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Research team finds evidence of red ochre use by Neanderthals 200,000 years ago
(PhysOrg.com) -- Until recently, archeologists have thought of Neanderthals, an early relative of humans, as thick, slow thinking and likely uncreative. Now, new evidence dispels part of that image. Archeologists ...