News tagged with evolutionary relationships
Scientists Unravel Evolution of Highly Toxic Box Jellyfish
Nov 18, 2009 |
4 / 5 (4) |
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(PhysOrg.com) -- With thousands of stinging cells that can emit deadly venom from tentacles that can reach ten feet in length, the 50 or so species of box jellyfish have long been of interest to scientists ...
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Do kids benefit from homework?
Other Sciences / Social Sciences
12 hours ago |
not rated yet |
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(PhysOrg.com) -- Homework is as old as school itself. Yet the practice is controversial as people debate the benefits or consider the shortcomings and hassles. Research into the topic is often contradictory ...
IBM Researchers Lower Language Barrier With Text Translator
Technology / Computer Sciences
14 hours ago |
4.5 / 5 (4) |
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IBM Researchers are helping to break the language barrier with the advent of technology dubbed "n.Fluent" -- smart software that translates text between English and 11 other languages. IBM employees use it to instantaneously ...
Spitzer Telescope Observes Baby Brown Dwarf
14 hours ago |
4.7 / 5 (10) |
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(PhysOrg.com) -- NASA's Spitzer Space Telescope has contributed to the discovery of the youngest brown dwarf ever observed -- a finding that, if confirmed, may solve an astronomical mystery about how these ...
As robots become more common, Stanford experts consider the legal challenges
Other Sciences / Social Sciences
15 hours ago |
4.7 / 5 (3) |
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(PhysOrg.com) -- They already detect and defuse bombs, control traffic patterns and do some basic household chores. And scientists predict that pretty soon, robots will be using artificial intelligence to play a larger role ...
Termite creates sustainable monoculture fungus-farming
Nov 20, 2009 |
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(PhysOrg.com) -- Food production of modern human societies is mostly based on large-scale monoculture crops, but it now appears that advanced insect societies have the same practice. Our societies took just ...
We're off then: The evolution of bat migration
Nov 20, 2009 |
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(PhysOrg.com) -- Not just birds, but also a few species of bats face a long journey every year. Researchers at Princeton University in the U.S. and at the Max Planck Institute for Ornithology in Radolfzell, ...
Just like old times: Generating RNA molecules in water
Nov 20, 2009 |
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A key question in the origin of biological molecules like RNA and DNA is how they first came together billions of years ago from simple precursors. Now, in a study appearing in this week's Journal of Biological Chemistry, resear ...
The Worm That Turned Evolutionary Key
Nov 20, 2009 |
4 / 5 (3) |
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(PhysOrg.com) -- The Keelworm, widespread in the seas and tide-pools around Scotland and the rest of the UK, is unwittingly helping scientists at the University of St Andrews to understand the evolution of modern animals.
The benefits of stress ... in plants
Nov 19, 2009 |
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Chronic stress in humans has been implicated in heart disease, weight gain, and diabetes, among a host of other health problems. Extreme environments, a source of chronic stress, present a challenge even for the hardiest ...
'Hobbits' are a new human species -- according to the statistical analysis of fossils
Other Sciences / Archaeology & Fossils
Nov 19, 2009 |
4.5 / 5 (11) |
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Researchers from Stony Brook University Medical Center in New York have confirmed that Homo floresiensis is a genuine ancient human species and not a descendant of healthy humans dwarfed by disease. Using ...
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