News tagged with chemical signal
'Worm speak' uses chemicals to communicate
(PhysOrg.com) -- A species of small, transparent roundworms have a highly evolved language in which they combine chemical fragments to create precise molecular messages that control social behavior, reports ...
Jan 26, 2012 |
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Team develops 'logic gates' to program bacteria as computers
A team of UCSF researchers has engineered E. coli with the key molecular circuitry that will enable genetic engineers to program cells to communicate and perform computations.
Dec 08, 2010 |
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Computer program takes on protein puzzle
(PhysOrg.com) -- All proteins self-assemble in a fraction of the blink of an eye, but it can take a long time to mimic the process. And there has been no guarantee of success, even with the most powerful computers - until ...
Jul 06, 2010 |
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Can cannibalism fight infections?
Whenever humans create a new antibiotic, deadly bacteria can counter it by turning into new, indestructible super-bugs. That's why bacterial infection is the number one killer in hospitals today. But new research ...
Feb 02, 2009 |
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Looking for signs of early life
(PhysOrg.com) -- Deciphering the very early history of life on Earth is difficult. In the darkest recesses of the first billion years there are no 'body' fossils - no physical remains. Instead, scientists ...
Space & Earth / Earth Sciences
Jul 08, 2009 |
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Bacterial communication could affect Earth's climate
(PhysOrg.com) -- Woods Hole Oceanographic Institution (WHOI) scientists have discovered that bacterial communication could have a significant impact on the planet's climate.
Space & Earth / Earth Sciences
Oct 12, 2011 |
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Desire and dread: Brain's computer has separate keyboard to control powerful emotions
(PhysOrg.com) -- Controlling powerful emotional reactions is often difficult because the brain's computer has a separate "keyboard" that controls feelings within extreme emotions like desire and dread, according to University ...
Medicine & Health / Psychology & Psychiatry
Jun 30, 2010 |
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Scientists discover a chemical signal in human tears
Emotional crying is a universal, uniquely human behavior. When we cry, we clearly send all sorts of emotional signals. In a paper published online today in Science Express, scientists at the Weizmann Instit ...
Medicine & Health / Medical research
Jan 06, 2011 |
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New sensor exploits traditional weakness of nano devices
By taking advantage of a phenomenon that until now has been a virtual showstopper for electronics designers, a team led by Oak Ridge National Laboratory's Panos Datskos is developing a chemical and biological sensor with ...
Feb 12, 2010 |
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Ant’s social network similar to Facebook
(PhysOrg.com) -- A recent study in the Journal of the Royal Society Interface presents findings that show that not all ants are as social as others. Similar to your friends on Facebook, some ants communicate with o ...
Apr 14, 2011 |
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Cellular mechanical forces may initiate angiogenesis
Pericytes, the contractile cells surrounding capillaries, may use mechanical forces to initiate angiogenesis, the "sprouting" of new blood vessels, according to researchers at Tufts University School of Medicine (TUSM) and ...
Apr 26, 2010 |
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Study measures single-molecule machines in action
(PhysOrg.com) -- In the development of future molecular devices, new display technologies, and "artificial muscles" in nanoelectromechanical devices, functional molecules are likely to play a primary role.
Jul 06, 2010 |
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Biochemical cell signals quantified for first time
Just as cell phones and computers transmit data through electronic networks, the cells of your body send and receive chemical messages through molecular pathways. The term "cell signaling" was coined more than 30 years ago ...
Sep 15, 2011 |
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New drug shows promise in the fight against malignant melanoma
(PhysOrg.com) -- Gavin Robertson is not a man who uses the word ‘hate’ lightly, but he makes no secret of his desire to slay the dragon that is malignant melanoma.
Sep 29, 2009 |
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When ants attack: Researchers recreate chemicals that trigger aggression
(PhysOrg.com) -- Experiments led by researchers at the University of California, Berkeley, have demonstrated that normally friendly ants can turn against each other by exploiting the chemical cues they use ...
Oct 27, 2009 |
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