chemical signals

Pleasure eating may fuel obesity


May 3rd, 2012 - 4:23 pm ICT by IANS
Rome, May 3 (IANS) When pleasure motivates eating, rather than hunger, it activates chemical signals which can cause overeating and fuel obesity, says a new study."'Hedonic hunger' refers to the ... Read more...

Posted in Health |

Plant found with built-in drought alarm


January 13th, 2012 - 3:29 pm ICT by IANS
Sydney, Jan 13 (IANS) A signal found in plants could act as a drought alarm, allowing them to adapt to such extreme conditions.Scientists stumbled on the signal while trying to ... Read more...

Posted in World |

Foetus can sense mum’s mental condition


November 11th, 2011 - 7:41 pm ICT by IANS
Washington, Nov 11 (IANS) A growing foetus is bombarded with messages from its mom -- not just about heartbeats but also chemical signals, including those about the mother's mental state, ... Read more...

Posted in Uncategorized |

Bacterial chats limit carbon absorption by sea


October 13th, 2011 - 1:00 pm ICT by IANS
Washington, Oct 13 (IANS) Bacterial chats could significantly impact our climate by limiting the quantity of carbon dioxide absorbed by the seas from the air.Woods Hole Oceanographic Institution (WHOI) scientists ... Read more...

Posted in Environment |

Delayed symptoms ravage asthmatics


August 14th, 2011 - 6:35 pm ICT by IANS
London, Aug 14 (IANS) Delayed symptoms ravage half the people with asthma, several hours after exposure to allergens, says a new research.Allergens -- pollen grains and dust mites -- can ... Read more...

Posted in World |

Ants defend their host tree


May 22nd, 2011 - 2:25 pm ICT by IANS
Washington, May 22 (IANS) Ants fend off competing plant species by marking their host tree with chemical signals in the depths of tropical rainforests."The ants inhabit hollow channels inside the ... Read more...

Posted in Environment |

Algae genes could restore sight in blind


April 14th, 2011 - 4:40 pm ICT by IANS
London, April 14 (IANS) Blind people may regain their sight thanks to a light sensitive gene taken from algae.Chemists believe they may be able to replace damaged cells in the ... Read more...

Posted in Uncategorized |

Gene linked to severity of autism’s social dysfunction identified


April 7th, 2011 - 6:14 pm ICT by ANI
Washington, Apr 7 (ANI): Johns Hopkins scientists have identified a gene associated with autism that appears to be linked very specifically to the severity of social interaction deficits.The gene, GRIP1 (glutamate receptor ... Read more...

Posted in Health Science |

Novel immune therapy for pancreatic cancer discovered


March 25th, 2011 - 5:03 pm ICT by ANI
Washington, March 25 (ANI): A novel way of treating pancreatic cancer by activating the immune system to destroy the cancer's scaffolding has been discovered by researchers at the University of Pennsylvania's Abramson ... Read more...

Posted in Health Science |

Animals too hedge their bets like humans in natural selection


March 16th, 2011 - 6:15 pm ICT by ANI
Melbourne, Mar 16 (ANI): Just like humans, other animals also hedge their bets, and understanding this may help explain how nature will respond to future climate change, says expert.Andrew Simons of Carleton ... Read more...

Posted in Health Science |

Finding of long-sought drug target structure may accelerate drug discovery


March 16th, 2011 - 4:08 pm ICT by ANI
Washington, Mar 16 (ANI): Researchers from the National Institutes of Health, collaborating with labs at The Scripps Research Institute and the University of California, San Diego, have solved the three-dimensional structure of ... Read more...

Posted in Health Science |

New study focuses on cause of celiac disease


February 10th, 2011 - 7:17 pm ICT by ANI
London, Feb 10 (ANI): A University of Chicago study has found that blocking a factor that can activate the human immune response against intestinal bacteria or certain foods could prevent the development ... Read more...

Posted in Health Science |

‘Master switch’ for key immune cells in inflammatory diseases found


January 17th, 2011 - 3:34 pm ICT by ANI
London, Jan 17 (ANI): Imperial College London scientists have identified a protein that acts as a 'master switch' in certain white blood cells, and governing whether they support or stop inflammation.The new ... Read more...

Posted in Health Science |

Women’s tears ‘kill sexual arousal in men’


January 7th, 2011 - 11:32 am ICT by ANI
London, Jan 7 (ANI): They say tears are woman's best arsenal - and they probably are - for they are powerful enough to dampen a man's sexual arousal, according to a new ... Read more...

Posted in Health Science |

Programming bacteria to act like mini computers


December 9th, 2010 - 4:37 pm ICT by ANI
London, Dec 9 (ANI): A team of researchers at UCSF has engineered E. coli with the key molecular circuitry that will enable genetic engineers to program cells to behave like computers.The work ... Read more...

Posted in Health Science |

Pheromones only a figment of imagination


December 6th, 2010 - 2:56 pm ICT by IANS
London, Dec 6 (IANS) Pheromones are just a figment of imagination, not the hidden key to attracting the opposite sex as popularly believed.Richard Doty at the Penn State University's School of Medicine ... Read more...

Posted in Sci-Tech |

‘Attraction chemicals’ pheromones do not exist, claims scientist


December 4th, 2010 - 1:00 pm ICT by ANI
London, Dec 4 (ANI): Pheromones-the mysterious chemical signals that 'trigger attraction'-do not even exist, a scientist has claimed.Richard Doty at Penn State University's School of Medicine said that mammals, unlike insects, do ... Read more...

Posted in Health Science |

MRI scans show structural brain changes in people at Alzheimer’s risk


November 17th, 2010 - 4:53 pm ICT by ANI
Washington, Nov 17 (ANI): A new study by neuroscientists at Rush University Medical Center suggest that people at risk of developing Alzheimer's disease exhibit a specific structural change in the brain that ... Read more...

Posted in Health Science |

Keep kids away from crime, don’t smoke during pregnancy


November 17th, 2010 - 3:02 pm ICT by IANS
London, Nov 17 (IANS) Women who smoke 20 cigarettes a day during pregnancy risk their child turning to crime later in life.The children of such mothers were more likely to become repeat ... Read more...

Posted in Health |

Researchers link mutated protein to tumour growth


September 5th, 2010 - 5:21 pm ICT by ANI
Washington, Sep 5 (ANI): While working on mice, Johns Hopkins researchers discovered a protein that is a major target of a gene that, when mutated in humans, causes tumors to develop on ... Read more...

Posted in Health Science |

Fat cells are not just dormant storage depots for calories, but an active organ


September 2nd, 2010 - 4:30 pm ICT by ANI
Washington, Sep 2 (ANI): The fat tissue in those spare tires and lower belly pooches - is not just a dormant storage depot for surplus calories, but is an active organ that ... Read more...

Posted in Health Science |

Natural lung material can be used to engineer lung tissue from stem cells


August 20th, 2010 - 4:21 pm ICT by ANI
Washington, Aug 20 (ANI): For the first time, researchers have successfully used cell-depleted lung as a natural growth matrix for generating new rat lung from embryonic stem cells.Embryonic stem cells (ESCs) ... Read more...

Posted in Health Science |

Soon, a silicon ‘neurochip’ to hear what human brain cells are saying


August 10th, 2010 - 4:47 pm ICT by ANI
Toronto, August 10 (ANI): Calgary scientists will create a 'neurochip', which will monitor the dialogue between brain cell and silicon chip.Researchers at the University of Calgary's Hotchkiss Brain Institute are to ... Read more...

Posted in Health Science |

Boffins discover plants’ “nervous system”


July 15th, 2010 - 12:49 pm ICT by ANI
London, July 15 (ANI): Plants "remember" and "react" to information encrypted in light as well as transmit information about light intensity and quality from leaf to leaf, a process that is strikingly ... Read more...

Posted in Health Science |

Novel mechanism may help turn off cancer growth in humans


June 8th, 2010 - 3:16 pm ICT by ANI
Washington, June 8 (ANI): Despite being different organisms, plants and animals share a surprising number of biological mechanisms. Now, a plant biologist at Tel Aviv University says that one of these mechanisms ... Read more...

Posted in Health Science |

Pheromone that draws female mice to a male isolated


June 3rd, 2010 - 6:04 pm ICT by IANS
London, June 3 (IANS) Scientists have isolated the pheromone that attracts female mice to the odour of a particular male. Researchers have named it darcin after Darcy, the dashing hero in Jane ... Read more...

Posted in Sci-Tech |

Protein in mice urine named after Mr. Darcy!


June 3rd, 2010 - 5:47 pm ICT by ANI
Washington, June 3 (ANI): Scientists have identified the pheromone that attracts female mice to the odour of a particular male. The protein, found in a male mouse's urine, has been named 'darcin' ... Read more...

Posted in Health Science |

New test for early diagnosis of osteoarthritis


April 23rd, 2010 - 4:23 pm ICT by ANI
Washington April 23 (ANI): Scientists have identified novel ways of measuring biological markers in the blood, which could be used to diagnose osteoarthritis earlier.The new biochemical test called metabolomics allows the scientists ... Read more...

Posted in Health Science |

‘Devious’ ant queens compromise on colony’s welfare to retain throne


February 26th, 2010 - 1:56 pm ICT by ANI
Washington, Feb 26 (ANI): Previous studies have shown that ants are selfless entities as they sacrifice themselves for their comrades. However, a new study reveals that ant queens are prepared to compromise ... Read more...

Posted in Health Science |

Cellular mechanism that protects against disease discovered


February 16th, 2010 - 1:03 pm ICT by ANI
Washington, Feb 16 (ANI): A new mechanism within human cells that constantly protects us against disease has been discovered by researchers at Oregon Health & Science University.The work, which was directed by ... Read more...

Posted in Health Science |

Likely cause of ’stubborn’ epilepsy revealed


December 7th, 2009 - 12:16 pm ICT by ANI
London, December 07 (ANI): Researchers believe they have found the cause of 'stubborn' epilepsy that fails to respond to drug treatment.Dr Mark Cunningham and his team at Newcastle University conducted a test ... Read more...

Posted in Health Science |

Scientists explain why breathing carbon dioxide triggers panic attack


November 27th, 2009 - 3:48 pm ICT by IANS
Toronto, Nov 26 (IANS) Breathing in carbon dioxide is known to trigger panic attacks. Now scientists have unravelled why. A new study by University of Iowa (UI) researchers shows that carbon dioxide ... Read more...

Posted in Sci-Tech |

How chemicals cues can make friendly ants turn against each other


October 28th, 2009 - 12:05 pm ICT by ANI
Washington, October 28 (ANI): 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 ... Read more...

Posted in Health Science |

Scientists develop ’scaffold’ to regenerate lost or damaged bones, tissues


October 20th, 2009 - 5:08 pm ICT by ANI
Washington, Oct 20 (ANI): Lizard has a unique ability to regrow body tissue that is damaged or torn. If its tail is pulled off, it grows right back. It's an impressive feat, ... Read more...

Posted in Health Science |

New approach to treat Alzheimer’s disease


October 7th, 2009 - 2:59 pm ICT by ANI
Washington, Oct 7 (ANI): Researchers at UT Southwestern Medical Centre have come up with a new approach to treat Alzheimer's disease.They suggest that the action of a small protein that is a ... Read more...

Posted in Health Science |

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