News tagged with biology letters
Great Tit Turns Out to be a Killer
Sep 10, 2009 |
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(PhysOrg.com) -- The Great Tit is an aggressive songbird found in Britain, continental Europe, parts of Northern Africa, and much of Asia. It is believed to survive mostly on seeds, nuts, fruit, insects, beetles, ...
Researchers find first-ever 'wanderlust gene' in tiny bony fish
Aug 05, 2009 |
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(PhysOrg.com) -- A gene previously associated with physical traits is also dictating behaviour in a tiny fish widely regarded as a living model of Darwin's natural selection theory, according to a University ...
Whale sonar: Two pings are better than one
Mar 04, 2009 |
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Many whale species have sonar systems that send out two pings at once, allowing them to detect underwater objects with greater accuracy than even the most sophisticated human technologies, according to a study ...
Why the swamp sparrow is hitting the high notes
Biology /
Jan 09, 2009 |
4 / 5 (1) |
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Birdsongs are used extensively as models for animal signaling and human speech, offering a glimpse of how our own communicating abilities developed. A new study by Adrienne DuBois, a graduate student at the ...
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You're being followed: Scientists track movement of living things
Nov 13, 2009 |
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Almost 24 centuries after the Greek philosopher Aristotle wrote his book, "On the Movement of Animals," modern scientists are still struggling to understand how, why, when and where living creatures move.
Elephant seals take naps while diving
Nov 13, 2009 |
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(PhysOrg.com) -- A new study may have solved the long-standing question of how elephants sleep during their long migrations at sea, when they can be away from land for up to eight months.
Africa's rarest monkey had an intriguing sexual past, DNA study confirms
Nov 11, 2009 |
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The most extensive DNA study to-date of Africa's rarest monkey reveals that the species had an intriguing sexual past. Of the last two remaining populations of the recently discovered kipunji, one population ...
Researchers invent new method for graphene growth
Nanotechnology / Nanomaterials
Nov 10, 2009 |
4.9 / 5 (20) |
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(PhysOrg.com) -- A Cornell research team has invented a simple way to make graphene electrical devices by growing the graphene directly onto a silicon wafer.
Researchers discover key to vital DNA, protein interaction
Nov 09, 2009 |
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(PhysOrg.com) -- A researcher at Iowa State University has discovered how a group of proteins from plant pathogenic bacteria interact with DNA in the plant cell, opening up the possibility for what the scientist ...
Book by UC Riverside biologist explains Darwin's 'Origin of Species'
Nov 09, 2009 |
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Many people have tried to read Charles Darwin's "Origin of Species," whose publication celebrates its 150th anniversary this month, but gave up.
Researchers hail innovative plan to save rainforest, reduce greenhouse gas emissions
Nov 05, 2009 |
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An innovative proposal by the Ecuadorian government to protect an untouched, oil rich region of Amazon rainforest is a precedent-setting and potentially economically viable approach, says a team of environmental researchers ...
New study further disputes notion that amputee runners gain advantage from protheses
Nov 04, 2009 |
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A study by six researchers, including a University of Colorado at Boulder associate professor and his former doctoral student, shows that amputees who use running-specific prosthetic legs have no performance ...
Not just bleach: Hydrogen peroxide may tell time for living cells
Nov 03, 2009 |
4.6 / 5 (7) |
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If a circadian rhythm is like an orchestra - the united expression of the rhythms of millions of cells - a common chemical may serve as the conductor, or at least as the baton.
Global warming cycles threaten endangered primate species
Oct 27, 2009 |
2.9 / 5 (17) |
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Two Penn State University researchers have carried out one of the first-ever analyses of the effects of global warming on endangered primates. This innovative work by Graduate Student Ruscena Wiederholt and ...
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