A male and female lizard sit together on a fence post with grass in the foreground
Climate Change Prematurely Ages Lizards Before They’re Born
Lizards born to parents that experienced persistent heat had shortened telomeres, a genetic weathering that typically happens with age but can also be exacerbated by stress.
Climate Change Prematurely Ages Lizards Before They’re Born
Climate Change Prematurely Ages Lizards Before They’re Born

Lizards born to parents that experienced persistent heat had shortened telomeres, a genetic weathering that typically happens with age but can also be exacerbated by stress.

Lizards born to parents that experienced persistent heat had shortened telomeres, a genetic weathering that typically happens with age but can also be exacerbated by stress.

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Q&A: How Animals Change in Space
Jef Akst | Nov 25, 2020
Weill Cornell Medicine geneticist Christopher Mason speaks with The Scientist about a bolus of new work on the physiological, cellular, and molecular effects of leaving Earth.
Another Bird Telomere Study, Different Results
Anna Azvolinsky | Mar 21, 2018
Two studies examining the effects of parents’ ages on their offsprings’ telomere lengths come to opposite conclusions.  
Filling in the Gaps: Sequencing the Entire Human Genome
The Scientist Speaks - Filling in the Gaps: Sequencing the Entire Human Genome
Iris Kulbatski, PhD
Karen Miga discusses how she and collaborators sequenced the missing parts of the human genome almost two decades after the first Human Genome Project published its results.
Birds With Older Fathers Have Shorter Telomeres, Lifespans
Anna Azvolinsky | Mar 14, 2018
The findings contradict what has been observed in humans.  
Study: Telomeres Don’t Shorten with Age in Longest-Lived Bats
Diana Kwon | Feb 7, 2018
Researchers find that while bats in the Myotis genus don’t produce telomerase, the enzyme that lengthens telomeres, they possess 21 telomere maintenance–related genes.
Telomere Length and Childhood Stress Don’t Always Correlate
Katarina Zimmer | Nov 17, 2017
Shorter telomere length is widely considered a manifestation of stress in young children, but the results of a new study find it’s more complicated than that.  
Early-Life Stress Affects Telomeres Later
Anna Azvolinsky | Oct 3, 2016
An accumulation of stressful events in childhood is associated with shorter telomeres as a person ages, researchers report. 
Exercise Boosts Telomere Transcription
Anna Azvolinsky | Jul 27, 2016
Endurance exercise and metabolism are linked to transcriptional activation of human telomeres, researchers propose.
First Data from Anti-Aging Gene Therapy
Kerry Grens | Apr 25, 2016
A biotech company reports that an experimental treatment elongated its CEO’s telomeres. 
Genome Digest
Catherine Offord | Jan 7, 2016
What researchers are learning as they sequence, map, and decode species’ genomes
Telomerase Overdrive
Ashley P. Taylor | Jan 1, 2016
Two mutations in a gene involved in telomere extension reverse the gene’s epigenetic silencing.
Another Telomere-Regulating Enzyme Found
Jef Akst | Nov 12, 2015
Researchers identify a novel protein that helps maintain the length of chromosome-capping telomeres. 
Control ALT, Delete Cancer
Haroldo Silva, David Halvorsen, and Jeremy D. Henson | Apr 1, 2015
Treating cancer by shutting down the alternative lengthening of telomeres (ALT) pathway
Age-Old Questions
Mary Beth Aberlin | Mar 1, 2015
How do we age, and can we slow it down?
Rethinking Telomeres
Kate Yandell | Mar 1, 2015
Not only do telomeres protect the ends of chromosomes, they also modulate gene expression over cells’ lifetimes.
How We Age
The Scientist Staff | Mar 1, 2015
From DNA damage to cellular miscommunication, aging is a mysterious and multifarious process.
Circular Chromosomes Straightened
Kerry Grens | Nov 6, 2014
A newly described method linearizes circular chromosomes in yeast and caps them with telomeres to mimic natural chromosomes.
Week in Review: April 7–11
Tracy Vence | Apr 11, 2014
Stress and telomere length in children; osmotic channel protein identified; amoeba nibbles, then kills cells; amphetamine and mental disorder risk; news from AACR
Telomeres Show Signs of Early-Life Stress
Rina Shaikh-Lesko | Apr 7, 2014
Reduction in telomere length is associated with stress early on in life and may have a genetic component, researchers find.