(PhysOrg.com) -- While current cigarettes are made with a filter created from cellulose acetate which absorbs things like nicotine, tar, and polycyclic aromatic hydrocarbons, Chinese researchers have discovered that nanomaterials ...
A group of chemical compounds used by a species of tropical seaweed to ward off fungus attacks may have promising antimalarial properties for humans. The compounds are part of a unique chemical signaling system that seaweeds ...
Biochemistry
Feb 21, 2011
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Space launches have evoked the same image for decades: bright orange flames exploding beneath a rocket as it lifts, hovers and takes off into the sky. But an alternative propulsion system proposed by some researchers could ...
Space Exploration
Jan 21, 2011
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When we catch a cold, the immune system steps in to defend us. This is a well-known biological fact, but is difficult to observe directly. Processes at a molecular level are not only miniscule, they are often extremely fast, ...
Optics & Photonics
Jan 12, 2011
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When mice smell the scent of food on the breath of their fellow mice, they use that experience to decide what's safe to eat in the future. Key in that learning process is the pairing of a particular odor with a chemical ingredient ...
Plants & Animals
Jul 15, 2010
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Desert ants are well-known for their remarkable orientation: they use a compass along with a step counter and visible landmarks to locate their nest. After researchers from the Max Planck Institute for Chemical Ecology discovered ...
Plants & Animals
Mar 9, 2010
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Yale University researchers have found more than two dozen scent receptors in malaria-transmitting mosquitoes that detect compounds in human sweat, a finding that may help scientists to develop new ways to combat a disease ...
Cell & Microbiology
Feb 3, 2010
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(PhysOrg.com) -- By studying a triple planetary system that resembles a scaled-up version of our own Sun’s family of planets, astronomers have been able to obtain the first direct spectrum -- the “chemical fingerprint” ...
Astronomy
Jan 13, 2010
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(PhysOrg.com) -- In a study that helps to explain the origins of water on Earth, University of Michigan astronomers have found that water vapor can form spontaneously in habitable zones of solar systems, and that it develops ...
Astronomy
Dec 17, 2009
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(PhysOrg.com) -- A PhD student from the London Centre for Nanotechnology has won a prize for solving a decade-long mystery central to understanding modern magnetic systems.
Condensed Matter
Oct 27, 2009
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