Baby fence lizard (IMAGE) Penn State Caption Mother fence lizards that experience stress during pregnancy give birth to male offspring with shortened telomeres, which is associated with shortened life spans, according to new research. Credit Tracy Langkilde, Penn State Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.