News tagged with biological level
Scientists uncover a photosynthetic puzzle
(Phys.org) -- Quantum physics and plant biology seem like two branches of science that could not be more different, but surprisingly they may in fact be intimately tied.
May 22, 2012 |
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Mathematical physics reveal nature's formula for survival (w/ Video)
(Phys.org) -- The vascular system of a leaf provides its structure and delivers its nutrients. When you light up that vascular structure with some fluorescent dye and view it using time-lapse photography, details begin to ...
May 14, 2012 |
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Scientists observe reproductive seasonality in male giant pandas
A three-year study of giant pandas published today in Biology of Reproduction's Papers-in-Press reveals that reproductive seasonality exists not only in female pandas, but in male pandas as well.
Apr 04, 2012 |
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Plants use circadian rhythms to prepare for battle with insects
In a study of the molecular underpinnings of plants' pest resistance, Rice University biologists have shown that plants both anticipate daytime raids by hungry insects and make sophisticated preparations to ...
Feb 13, 2012 |
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Researchers discover the processes leading to acute myeloid leukemia
Researchers at UC Santa Barbara have discovered a molecular pathway that may explain how a particularly deadly form of cancer develops. The discovery may lead to new cancer therapies that reprogram cells instead ...
Jan 30, 2012 |
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Biochip measures glucose in saliva, not blood
For the 26 million Americans with diabetes, drawing blood is the most prevalent way to check glucose levels. It is invasive and at least minimally painful. Researchers at Brown University are working on a ...
Jan 23, 2012 |
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When it comes to accepting evolution, gut feelings trump facts
For students to accept the theory of evolution, an intuitive "gut feeling" may be just as important as understanding the facts, according to a new study.
Other Sciences / Social Sciences
Jan 19, 2012 |
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Team finds natural reasons behind nitrogen-rich forests
(PhysOrg.com) -- Many tropical forests are extremely rich in nitrogen even when there are no farms or industries nearby, says Montana State University researcher Jack Brookshire.
Space & Earth / Earth Sciences
Jan 16, 2012 |
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When will artificial molecular machines start working for us?
Physicist Richard Feynman in his famous 1959 talk, "Plenty of Room at the Bottom," described the precise control at the atomic level promised by molecular machines of the future. More than 50 years later, synthetic molecular ...
Nov 25, 2011 |
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New strategy could lead to dose reduction in X-ray imaging
For more than a century, the use of X-rays has been a prime diagnostic tool when it comes to human health. As it turns out, X-rays also are a crucial component for studying and understanding molecules, and a new approach ...
Nov 22, 2011 |
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Scientists genetically increase algae biomass by more than 50 percent
Research at Iowa State University has led to discovery of a genetic method that can increase biomass in algae by 50 to 80 percent.
Nov 21, 2011 |
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Human activity pulling the plug on a vital carbon sink
(PhysOrg.com) -- Under better conditions coastal ecosystems might be the ace in the hole to mitigate climate change, but human activity is significantly weakening their ability to naturally dampen the impacts of rising CO2 ...
Nov 16, 2011 |
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Researchers unravel biochemical factor important in tumor metastasis
A protein called "fascin" appears to play a critical transformation role in TGF beta mediated tumor metastasis, say researchers at Moffitt Cancer Center in Tampa, Fla., who published a study in a recent issue of the Journal of ...
Nov 09, 2011 |
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Researchers identify structure of apolipoprotein
Using a sophisticated technique of x-ray crystallography, researchers Xiaohu Mei, PhD, and David Atkinson, PhD, from Boston University School of Medicine (BUSM) have for the first time obtained an "image" of the structure ...
Nov 04, 2011 |
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Unraveling Batten disease
Waste management is a big issue anywhere, but at the cellular level it can be a matter of life and death. A Weizmann Institute study, published in the Journal of Cell Biology, has revealed what causes a molecular waste contai ...
Nov 02, 2011 |
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