10/21/2013 - 13:43

Bold and outgoing or shy and retiring –– while many people can shift from one to the other as circumstances warrant, in general they lean toward one disposition or the other. And that inclination changes little over the course of their lives.


10/03/2013 - 10:59

The stresses that come with aging, chemotherapy treatments, and environmental exposures all threaten fertility. But what if there were a way to preserve women's limited egg supply? Researchers reporting on studies conducted in frog and mouse eggs in the Cell Press journal Molecular Cell on October 3rd may have found a way.


07/10/2013 - 07:29

The economic crisis has put measurable pressure on birth rates in Europe over the last decade. On average, the more the unemployment rose, the greater the decrease in fertility compared to the number of children per women expected without the crisis. This is the result of a new study performed by the Max Planck Institute for Demographic Research (MPIDR) in Rostock, Germany.


11/13/2012 - 09:38

A new study published online in the journal Human Reproduction finds that the greater the inconsistency in the length of sperm, particularly in the tail (flagellum), the lower the concentration of sperm that can swim well. The finding offers fertility clinicians a potential new marker for fertility trouble that might trace back to how a patient’s sperm are being made.

09/18/2012 - 14:39

A new study reports increasing use of the ground among a population of the otherwise arboreal northern muriqui monkeys in Brazil. Researchers led by University of Wisconsin–Madison anthropologist Karen Strier believe the behavioral innovation may underlie demographic changes in the population over the past 30 years, including unexpected increases in both fertility and mortality.

08/16/2012 - 14:04

Eating about two handfuls of walnuts a day may provide men the added boost they need to improve their fertility, according to a breakthrough study by researchers at the UCLA School of Nursing.