In a band near the equator, southward Northern Hemisphere winds and northward Southern Hemisphere winds come together to form the Intertropical Convergence Zone (ITCZ). In the ITCZ the equatorward winds rise and cool, creating ...
Earth Sciences
May 27, 2013
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(Phys.org) —The worm Caenorhabditis elegans is one of the most widely studied creatures. Scientists consider the worm a model organism for exploring animal development including neural development. The reasons are basic; ...
A study of tentacle-formation in a sea anemone shows how epithelial cells form elongated structures and puts the spotlight on a new model organism.
Cell & Microbiology
May 2, 2013
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(Phys.org) —Your cells are social butterflies. They constantly interact with their surroundings, taking in cues on when to divide and where to anchor themselves, among other critical tasks.
Cell & Microbiology
Mar 21, 2013
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When a robot is moving one of its limbs through free space, its behavior is well-described by a few simple equations. But as soon as it strikes something solid—when a walking robot's foot hits the ground, or a grasping ...
Robotics
Mar 21, 2013
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A new model to explore how new ideas affect fuel consumption in large diesel engines has been developed by a world-leading research group in tribology, at Luleå University of Technology. Tribology is the science of interacting ...
Energy & Green Tech
Mar 19, 2013
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Normal development and function in multicellular organisms relies on tight control of cell growth, yet surprisingly little is known about how such control is achieved. Although some promoters of growth have been identified, ...
Biotechnology
Mar 15, 2013
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(Phys.org)—When physics graduate student Jesse Silverberg took his girlfriend to a heavy metal concert, he didn't dive into the mosh pit as usual. He hung back and observed that humans act like particles, dancing into "collective ...
Mathematics
Feb 27, 2013
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When a bubble of air rising through water hits a sheet of glass, it doesn't simply stop—it squishes, rebounds, and rises again, before slowly moving to the barrier. This seemingly simple process actually involves some knotty ...
General Physics
Feb 27, 2013
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The gonad is well known to be important for reproduction but also affects animal life span. Removal of germ cells – the sperm and egg producing cells – increases longevity of the roundworm Caenorhabditis elegans. However, ...
Cell & Microbiology
Dec 17, 2012
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