News tagged with biological oscillators
Climate change plays major role in decline of blackbird species
(PhysOrg.com) -- Populations of the rusty blackbird, a once-abundant North American species, have declined drastically in recent years, and Auburn University researchers say climate change is to blame.
Feb 20, 2012 |
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In the early life of an embryo, a monster lurks
Research based at Princeton University has revealed that newly fertilized cells only narrowly avoid degenerating into fatal chaos. At the same time, scientists have discovered that embryos have acquired a mechanism to contain ...
Aug 22, 2011 |
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A correctly set circadian clock, whatever the light intensity
How are circadian clocks able to synchronize themselves accurately to the day/night cycle without taking account of extreme light intensity fluctuations over the course of a single day or from one day to the ...
Nov 22, 2010 |
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Circadian rhythms studies reveal new temperature regulator and track clock protein across a day
Dartmouth Medical School geneticists have made new inroads into understanding the regulatory circuitry of the biological clock that synchronizes the ebb and flow of daily activities, according to two studies published May ...
May 15, 2009 |
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Search results for biological oscillators
A cell's first steps: Building a model to explain how cells grow
A collaboration between Lehigh University physicists and University of Miami biologists addresses an important fundamental question in basic cell biology: How do living cells figure out when and where to grow?
May 18, 2012 |
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Microfluidics: Creating chaos
A quiet revolution is taking place in the fields of biology and chemistry. Microfluidic devices, which allow fluid manipulation in micro-scale channels, are slowly but surely finding their place on the lab ...
May 10, 2012 |
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Mathematics: First-ever image of a flat torus in 3D
Just as a terrestrial globe cannot be flattened without distorting the distances, it seemed impossible to visualize abstract mathematical objects called flat tori in ordinary three-dimensional space. However, ...
Apr 26, 2012 |
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Long-term research reveals causes and consequences of environmental change
As global temperatures rise, the most threatened ecosystems are those that depend on a season of snow and ice, scientists from the nation's Long Term Ecological Research (LTER) Network say."The vulnerability o ...
Apr 06, 2012 |
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New microfluidic chip can generate microbubbles to break open cells for biochemical analysis
Scientists have made many important discoveries in biology and medicine through studying the internal contents of cells. Some have isolated or identified nucleic acids or proteins with special functions, while ...
Chemistry / Analytical Chemistry
Mar 15, 2012 |
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New method for estimating parameters may boost biological models
Modeling biological systems can provide key insights for scientists and medical researchers, but periodic cycles that repeat themselves – so-called oscillatory systems – pose some key challenges. ...
Technology / Computer Sciences
Mar 06, 2012 |
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A mitosis mystery solved: How chromosomes align perfectly in a dividing cell
Although the process of mitotic cell division has been studied intensely for more than 50 years, Whitehead Institute researchers have only now solved the mystery of how cells correctly align their chromosomes during symmetric ...
Feb 12, 2012 |
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With single laser pulses on single molecules
(PhysOrg.com) -- Physicists at MPQ (Max Planck Institute) succeed in resolving the internal dynamics of individual molecules using UV femtosecond laser pulses.
Feb 07, 2012 |
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Electrons in concert: A simple probe for collective motion in ultracold plasmas
(PhysOrg.com) -- Collective, or coordinated behavior is routine in liquids, where waves can occur as atoms act together. In a milliliter (mL) of liquid water, 1022 molecules bob around, colliding. When a bre ...
Feb 06, 2012 |
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Where's the snow? Not in Lower 48, but elsewhere
(AP) -- Snow has been missing in action for much of the U.S. the last couple months. But it's not just snow. It's practically the season that's gone AWOL.
Feb 01, 2012 |
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List of search results for biological oscillators
