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News tagged with protrusion

Scientist finds rapidly adapting fanged frogs

(PhysOrg.com) -- Scientists led by biologist Ben Evans of McMaster University have documented the rapid adaptation of new fanged frog species on the island of Sulawesi, Indonesia.

Biology / Plants & Animals

created Aug 16, 2011 | popularity 4.7 / 5 (9) | comments 3 | with audio podcast

Inside story: Chemical reactivity on the inner surface of single-walled carbon nanotubes

(PhysOrg.com) -- Historically, the interior surface of single-walled carbon nanotubes (SWNTs) has not been considered to be chemically reactive. Recently, however, researchers at the University of Nottingham School of Chemistry in the UK and the Ulm Un ...

Nanotechnology / Nanomaterials

created Sep 15, 2011 | popularity 4 / 5 (5) | comments 2 | with audio podcast feature

Airway cells use 'tasting' mechanism to detect and clear harmful substances

The same mechanism that helps you detect bad-tasting and potentially poisonous foods may also play a role in protecting your airway from harmful substances, according to a study by scientists at the University ...

Medicine & Health / Medical research

created Jul 24, 2009 | popularity 5 / 5 (3) | comments 0

Researchers find new molecule to block ‘Hedgehog’ signaling in cancer, development

(PhysOrg.com) -- Researchers have achieved a feat drug developers had thought difficult, if not impossible, discovering a compound that blocks the functioning of a key developmental protein by binding to an “undruggable” ...

Biology /

created Jan 19, 2009 | popularity 5 / 5 (2) | comments 0

All smoothed out: Hydroxyl radicals remove nanoscopic irregularities on polished gold surfaces

(PhysOrg.com) -- The precious metal gold is the material of choice for many technical applications because it does not corrode - and because it also has interesting electrical, magnetic, and optical properties. Gold is thus ...

Chemistry / Materials Science

created Jan 14, 2010 | popularity 4 / 5 (2) | comments 0 | with audio podcast

Experiments settle long-standing debate about mysterious array formations in nanofilms

(PhysOrg.com) -- Scientists at the California Institute of Technology have conducted experiments confirming which of three possible mechanisms is responsible for the spontaneous formation of three-dimensional ...

Nanotechnology / Nanophysics

created May 19, 2011 | popularity 4 / 5 (2) | comments 0 | with audio podcast

Sea squirt cells shed light on cancer development

Specialized structures used by cancer cells to invade tissues could also help them escape protection mechanisms aimed at eliminating them, a UA-led research team has discovered.

Biology / Cell & Microbiology

created Jul 26, 2011 | popularity 5 / 5 (1) | comments 0 | with audio podcast