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image: Dolly’s Cloning Likely Didn’t Cause Premature Aging

Dolly’s Cloning Likely Didn’t Cause Premature Aging

By Katarina Zimmer | November 24, 2017

A new analysis of Dolly’s skeleton suggests the cloned sheep’s arthritis did not lead to her death. 

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image: Telomere Length and Childhood Stress Don’t Always Correlate

Telomere Length and Childhood Stress Don’t Always Correlate

By Katarina Zimmer | November 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.  

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image: Genetic Mutation in Amish Linked to Longer Life

Genetic Mutation in Amish Linked to Longer Life

By Katarina Zimmer | November 16, 2017

Mutations in both copies of SERPINE1 can result in blood clotting disorders, but carriers might enjoy longer lifespan and health benefits. 

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image: Image of the Day: Mitochondria, Live and in Color

Image of the Day: Mitochondria, Live and in Color

By The Scientist Staff | September 27, 2017

Mitochondria age differently depending upon whether they’re located in the liver, heart, or kidney, scientists find in flies and mice.

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image: A Potential Remedy for the Aging Brain

A Potential Remedy for the Aging Brain

By Aggie Mika | August 8, 2017

In mice, injected fragments of a naturally occurring protein boost memory in young and old animals and improve cognition and mobility in a model of neurodegenerative disease. 

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image: Company Sells a “Biological Age” Kit

Company Sells a “Biological Age” Kit

By Diana Kwon | August 2, 2017

While the epigenetic clock is a useful tool for research and has solid scientific backing, scientists say the product’s use to consumers is limited.

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image: Stem Cells in the Hypothalamus Slow Aging in Mice

Stem Cells in the Hypothalamus Slow Aging in Mice

By Ashley P. Taylor | July 26, 2017

Once implanted into animals’ brains, neural stem cells that secrete microRNA-containing vesicles seem to contribute to an anti-aging effect.

2 Comments

image: Evidence for Human Lifespan Limit Contested

Evidence for Human Lifespan Limit Contested

By Diana Kwon | June 28, 2017

Five groups of scientists criticize a widely publicized Nature paper from 2016 suggesting that humans can only live up to 115 years.

7 Comments

image: Mutation Linked to Longer Life Span in Men

Mutation Linked to Longer Life Span in Men

By Jef Akst | June 19, 2017

A deletion in a growth hormone receptor gene is tied to an average of 10 extra years of life among men, but not women, according to a study.

2 Comments

image: Trump Picks National Cancer Institute Director

Trump Picks National Cancer Institute Director

By Kerry Grens | June 12, 2017

Ned Sharpless currently leads the cancer center at the University of North Carolina, Chapel Hill.

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