reproductive success

Match-making male dolphins more successful in mating


October 27th, 2011 - 1:18 pm ICT by IANS
Sydney, Oct 27 (IANS) Male bottlenose dolphins who play match-makers, brushing aside sexual competitiveness, notch up better mating success, new research says.?These results are fascinating because it demonstrates that male ... Read more...

Posted in World |

Female birds turn promiscuous for better offspring


September 6th, 2011 - 4:59 pm ICT by IANS
Washngton, Sep 6 (IANS) The idea of mating for life remains a romantic ideal but female birds act promiscuously because of certain long term benefits.It's all about having more grandkids. ... Read more...

Posted in World |

Man cooked food on fire far earlier than originally thought


August 23rd, 2011 - 10:01 pm ICT by IANS
London, Aug 23 (IANS) Cooking food with fire may date back two million years, far earlier than originally thought, a study suggests.According to the research, there is evidence that this ... Read more...

Posted in Health Science |

Larger female hyenas have more offspring


March 24th, 2011 - 3:19 pm ICT by ANI
London, Mar 24 (ANI): Larger female hyenas outdo their smaller counterparts when it comes to producing more offspring.A new study by Michigan State University researchers revealed this as well as defined a ... Read more...

Posted in Health Science |

Study could lead to new ways of curtailing reproduction in harmful insects


February 27th, 2011 - 12:06 pm ICT by ANI
Washington, Feb 27 (ANI): A new study has suggested that insects continue to influence each other on molecular, cellular and physiological levels-even after the partners go separate ways once mating is done.Mariana ... Read more...

Posted in Health Science |

Key to male potency may lie in bones


February 20th, 2011 - 9:14 pm ICT by IANS
Washington, Feb 20 (IANS) The skeleton may be the key to fertility in male mice through a hormone released by it known as osteocalcin, a study suggests, and this could well be ... Read more...

Posted in Health |

Male fertility is in the bones, shows mice study


February 18th, 2011 - 12:43 pm ICT by ANI
Washington, Feb 18 (ANI): A new study has discovered that the skeleton acts as a regulator of fertility in male mice through a hormone released by bone-osteocalcin.Researchers at Columbia University Medical Center, ... Read more...

Posted in Health Science |

Male bustards’ success is measured by their ‘beards’


February 9th, 2011 - 5:47 pm ICT by ANI
Washington, Feb 9 (ANI): For the first time, a study has shown that the 'beards' and the design of the neck are 'reliable' indicators of the weight and age of the great ... Read more...

Posted in Health Science |

‘Water flea’ important indicator of environmental contamination


February 4th, 2011 - 5:54 pm ICT by ANI
Washington, Feb 4 (ANI): A study has said that 'water fleas' could be indicators of environmental toxins and pollutants.Daphnia pulex is the first crustacean to have its complete genome sequenced by members ... Read more...

Posted in Health Science |

Do hormones dictate breeding success in birds?


January 27th, 2011 - 6:28 pm ICT by ANI
Washington, Jan 27 (ANI): Scientists at Max Planck Institute for Ornithology, Radolfzell, and Princeton and Edinburg Universities have found that hormones like prolactin and corticosterone can exercise a crucial influence on the ... Read more...

Posted in Health Science |

Food in early life affects fertility: Study


December 21st, 2010 - 1:44 pm ICT by ANI
Washington, Dec 21 (ANI): A new research by the University of Sheffield has revealed that the reproductive success of men and women is influenced by the food they receive at an early ... Read more...

Posted in Health Science |

Ability to tolerate aggression is partly genetic: Study


December 8th, 2010 - 5:01 pm ICT by ANI
Washington, Dec 8 (ANI): UCLA scientists have said that the ability to tolerate aggression is partly genetic."The ability to tolerate aggression is passed on across generations; there is genetic variation in the ... Read more...

Posted in Health Science |

Good-looking couples likelier to have daughters: Study


November 29th, 2010 - 12:49 pm ICT by ANI
Melbourne, Nov 29 (ANI): A new study has shown that attractive couples are more likely to have daughters as compared to plainer parents.Satoshi Kanazawa, an evolutionary psychologist at the London School of ... Read more...

Posted in Health Science |

Number of polar bears to fall, courtesy climate change


November 25th, 2010 - 4:35 pm ICT by ANI
Washington, Nov 25 (ANI): A new study by researchers at the University of California, Los Angeles (UCLA) has revealed that polar bears aren't suited for southern diets and their numbers are likely ... Read more...

Posted in Health Science |

For hares, variety really is the spice of life


November 23rd, 2010 - 3:05 pm ICT by ANI
Washington, Nov 23 (ANI): Scientists at University of Veterinary Medicine, Vienna, have shown that genetic variability is associated with greater reproductive success in hares.Steve Smith and Franz Suchentrunk at the Research Institute ... Read more...

Posted in Health Science |

Birds learn migratory destinations from parents


November 17th, 2010 - 6:25 pm ICT by ANI
Washington, Nov 17 (ANI): A six-year study on migrating geese has discovered that they learn their migratory destinations from parents.The findings suggested young light-bellied Brent geese return to the same spots ... Read more...

Posted in Health Science |

Successful dolphin mums get help from pals


November 2nd, 2010 - 4:10 pm ICT by ANI
Washington, Nov 2 (ANI): A landmark new study has shown that female dolphins that take help from their female friends are far more successful as mothers than those without such help.Previous ... Read more...

Posted in Health Science |

Mothers aid mating success of male bonobos


September 1st, 2010 - 3:05 pm ICT by ANI
Washington, Sep 1 (ANI): In a study on bonobos, researchers at the Max Planck Institute for Evolutionary Anthropology have found that the presence of mothers enhances the mating success of their sons ... Read more...

Posted in Health Science |

Female birds cheat ‘to have healthy offspring’


August 21st, 2010 - 5:27 pm ICT by ANI
Melbourne, Aug 21 (ANI): Cheating maximizes female birds' chances of having healthy offspring, according to Australian researchers.For the study, Associate Professor Simon Griffith and Dr Sarah Pryke of Sydney's Macquarie University separated ... Read more...

Posted in Health Science |

Human sperm gene unaltered for 600 million years


July 16th, 2010 - 6:07 pm ICT by IANS
Washington, July 16 (IANS) The "Boule" gene, responsible for sperm production from insects to mammals including man, has remained unaltered for 600 million years that it has been in existence. "This is the ... Read more...

Posted in Sci-Tech |

Human sperm gene is 600 million years old


July 16th, 2010 - 1:57 pm ICT by ANI
Washington, July 16 (ANI): Mammals' ability to produce sperm is very ancient, probably originating as early as 600 million years ago, according to new evidence found by researchers at Northwestern University Feinberg ... Read more...

Posted in Health Science |

Having BFFs helps female baboons live longer


July 2nd, 2010 - 1:49 pm ICT by ANI
Washington, July 2 (ANI): A new study has found that female baboons that maintain closer ties with other members of their troop live substantially longer than do those whose social bonds are ... Read more...

Posted in Health Science |

Personality can influence fertility, says research


June 9th, 2010 - 2:41 pm ICT by IANS
London, June 9 (IANS) The personality traits of men and women can influence their reproductive success, a new research by the University of Sheffield has found. The study found that women with ... Read more...

Posted in Sci-Tech |

9/11 stress ‘tied to increased male baby miscarriages’


May 25th, 2010 - 4:51 pm ICT by ANI
Washington, May 25 (ANI): A new study has linked the psychological stress caused by the 9/11 attacks to miscarriages in women - especially for male babies.Tim Bruckner, assistant professor of public health ... Read more...

Posted in Health Science |

9/11 attacks linked to loss of male babies


May 25th, 2010 - 4:36 pm ICT by IANS
Washington, May 25 (IANS) The horrific 9/11 terror attacks may have also led to increased loss of male children in the US, even among those women who had no direct link to ... Read more...

Posted in Health |

How the daisy got its spots


December 19th, 2009 - 4:24 pm ICT by ANI
Washington, December 19 (ANI): In a new research, scientists have studied how the dark spots on the petals of flowers like daisies are formed.Dr. Meredith Thomas from the University of Cambridge and ... Read more...

Posted in Health Science |

Scientists unlock mystery of daisy spots on petals


December 19th, 2009 - 2:21 pm ICT by IANS
London, Dec 19 (IANS) Some flowers have their own way of attracting pollinating insects, with dark spots on their petals that mimic the pollinator, according to research. "The spots on the flowers mimic ... Read more...

Posted in Sci-Tech |

Female birds act just like males in cooperative breeding species


December 10th, 2009 - 5:33 pm ICT by ANI
London, Dec 10 (ANI): Female birds act just like males in cooperative breeding species, a new study has found.The study has shown that female birds in species that breed in groupscan find ... Read more...

Posted in Health Science |

Being ‘too sexy’ can be a curse


December 9th, 2009 - 1:04 pm ICT by ANI
Washington, Dec 9 (ANI): In the world of fruit flies, being sexy can be a curse, especially for the ladies.A new research has shown that the most attractive female fruit flies are ... Read more...

Posted in Health Science |

Healthy female wallabies more likely to have sons than daughters


November 24th, 2009 - 12:47 pm ICT by ANI
Melbourne, Nov 24 (ANI): Healthy female wallabies are more likely to give birth to boys than daughters, a new study has found.The latest evidence supports Trivers-Willard hypothesis that mothers will give birth ... Read more...

Posted in Health Science |

The Pill ‘turns women off macho men’


October 8th, 2009 - 12:09 pm ICT by ANI
Washington, Oct 8 (ANI): It gives women control over their sex lives. But now it seems the contraceptive pill is changing women's taste in men. A new study says females who take ... Read more...

Posted in Health Science |

Study on sheep shows link between personality, survival, and reproductive success


September 16th, 2009 - 3:05 pm ICT by ANI
Washington, September 16 (ANI): Canadian researchers have established a link between personality, survival, and reproductive success by carrying out a study on male bighorn sheep.Denis Reale, a professor in the Department of ... Read more...

Posted in Health Science |

Scientists give evolutionary explanation for fertility problems


September 9th, 2009 - 2:19 pm ICT by ANI
Washington, September 9 (ANI): While environmentalists blame pollution and psychiatrists people's stressful lifestyles for fertility problems in about 10 per cent of all couples hoping for a baby, Tel Aviv University researchers ... Read more...

Posted in Health Science |

Evolution ‘driving women to become more beautiful’


July 26th, 2009 - 11:33 am ICT by ANI
London, July 26 (ANI): Here's some good news for the ladies: a group of scientists has claimed that evolution is driving women to become ever more beautiful.While men remain as aesthetically unappealing ... Read more...

Posted in Feature |

Camels play it cool during sex, literally


July 16th, 2009 - 2:11 pm ICT by ANI
Melbourne, July 16 (ANI): When it comes to camels, staying cool may be the key to reproductive success, according to a new research.Scientists working in Central Australia have found male camels have ... Read more...

Posted in Health Science |

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