Color-tunable photonic fibers mimic the fruit of the 'bastard hogberry' plant
(Phys.org)—A team of materials scientists at Harvard University and the University of Exeter, UK, have invented a new fiber that changes color when stretched. Inspired by nature, the researchers identified ...
Jan 28, 2013
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High-energy X-rays shine light on mystery of Picasso's paints
(Phys.org)—The Art Institute of Chicago teamed up with Argonne National Laboratory to help unravel a decades-long debate among art scholars about what kind of paint Picasso used to create his masterpieces.
Feb 06, 2013
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Breakthrough in designing cheaper, more efficient catalysts for fuel cells
University of California, Berkeley, chemists are reimagining catalysts in ways that could have a profound impact on the chemical industry as well as on the growing market for hydrogen fuel cell vehicles.
Feb 23, 2012
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Engineers find inspiration for new materials in Piranha-proof armor
(PhysOrg.com) -- It’s a matchup worthy of a late-night cable movie: put a school of starving piranha and a 300-pound fish together, and who comes out the winner?
Feb 09, 2012
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Nanosuits help small creatures survive a vacuum
(Phys.org) —Scientists use scanning electron microscopes (SEMs) to study tiny structures in small organisms. SEMs can only work in a high vacuum, and exposure to such a vacuum normally causes living things ...
Apr 16, 2013
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Iridescence and superhydrophobicity combined on one surface
(PhysOrg.com) -- Scientists have combined two properties on a single piece of graphene oxide that don’t usually go together: iridescence (resulting in a rainbow-hued appearance) and superhydrophobicity ...
Jan 21, 2012
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Blowfly protein key to terror poison antidote
A protein that costs the Australian sheep industry hundreds of millions of dollars each year may also pave the way to an antidote for chemical warfare agents.
Jun 04, 2013
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'Look Mom No Electricity': Transmitting Information with Chemistry
(PhysOrg.com) -- While information technology is generally thought to require electrons or photons for transmitting information, scientists have recently demonstrated a third method of transmission: chemical ...
Jun 19, 2009
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Rust never sleeps—Observations of electron hopping in iron oxide hold consequences for environment and energy
(Phys.org)—Rust—iron oxide—is a poor conductor of electricity, which is why an electronic device with a rusted battery usually won't work. Despite this poor conductivity, an electron transferred to ...
Sep 07, 2012
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Understanding photosynthesis: How plants use catalytic reactions to split oxygen from water
Splitting hydrogen and oxygen from water using conventional electrolysis techniques requires considerable amounts of electrical energy. But green plants produce oxygen from water efficiently using a catalytic ...
Apr 02, 2012
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Bioengineering team creates self-forming tetrahedron protein
(Phys.org) —A combined team of researchers from the U.S. and Slovenia has succeeded in creating "origami" type proteins that assemble themselves into three dimensional shapes. As a proof of concept, the ...
Apr 29, 2013
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Duke, Stanford scientists win Nobel for chemistry (Update 5)
Two Americans won the Nobel Prize in chemistry Wednesday for studies of how the cells in our bodies pick up signals as diverse as hormones, smells, flavors and light—work that is key to developing better ...
Oct 10, 2012
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Unexpected allies help bacteria clean uranium from groundwater
(Phys.org) —Since 2009, SLAC scientist John Bargar has led a team using synchrotron-based X-ray techniques to study bacteria that help clean uranium from groundwater in a process called bioremediation. ...
Mar 08, 2013
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Scientists discover a surprising new way that protons can move among molecules
When a proton – the bare nucleus of a hydrogen atom – transfers from one molecule to another, or moves within a molecule, the result is a hydrogen bond, in which the proton and another atom like ...
Mar 18, 2012
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