Mastodawn

How #GreenlandSharks defy #aging
Eyes and hearts of these deep-dwelling #sharks use biological tricks to keep functioning
Some of their organs may be resistant to the ravages of age, while others seem resilient to tissue damage that accrues over time, recent studies suggest. Scientists estimate that Greenland sharks (Somniosus microcephalus) may survive for upward of four hundred years.
https://www.sciencenews.org/article/greenland-sharks-aging-heart-eyes
https://archive.ph/RKdgp

How Greenland sharks defy aging

When it comes to bucking the biological ails of aging, humans could learn something from Greenland sharks.

Science News

N-gated Hacker News Jan 10

Ah, yes, because when I think of groundbreaking marine biology, I naturally envision a webpage that screams "TOO MANY REQUESTS" with all the grace of a malfunctioning streetlight. 🙄💻 Meanwhile, Greenland sharks are out there winning the #longevity Olympics while our servers can't even handle a click. 🦈⏳
https://phys.org/news/2026-01-eye-greenland-sharks-vision-centuries.html #marinebiology #GreenlandSharks #techfail #serverissues #humor #HackerNews #ngated

Eye-opening research: Greenland sharks maintain vision for centuries through DNA repair mechanism

Dorota Skowronska-Krawczyk sits in her office, eyes fixed on the computer monitor in front of her. "You see it move its eye," says the UC Irvine associate professor of physiology and biophysics, pointing to an image of a Greenland shark slowly drifting through the murky Arctic Ocean. "The shark is tracking the light—it's fascinating."

Hacker News Jan 10

Greenland sharks maintain vision for centuries through DNA repair mechanism

https://phys.org/news/2026-01-eye-greenland-sharks-vision-centuries.html

#HackerNews #GreenlandSharks #DNARepair #VisionCenturies #MarineBiology #OceanConservation

Eye-opening research: Greenland sharks maintain vision for centuries through DNA repair mechanism

Lukas VFN 🇪🇺Jan 5

#GreenlandSharks maintain vision for centuries through DNA repair mechanism https://phys.org/news/2026-01-eye-greenland-sharks-vision-centuries.html Paper by Lily Fogg et al.: https://www.nature.com/articles/s41467-025-67429-6

"Scientists have long suspected the large species to be functionally blind, given the frequent presence of the parasite and its exceptionally dim environment... the new findings suggest that a DNA repair mechanism enables these #sharks—some of which live for 400 years—to maintain their vision over centuries with no signs of degeneration"

Bob 🇨🇦🇲🇽🇺🇦Mar 16, 2025

https://www.sciencealert.com/the-genome-of-the-greenland-shark-reveals-the-secrets-to-its-longevity

#science #genetics #greenlandsharks

The Genome of The Greenland Shark Reveals The Secrets to Its Longevity

The Greenland shark likes to stick around, with some estimates suggesting a lifespan of more than 500 years – and a new study of the shark's DNA has given researchers vital clues to the secret of its longevity.

ScienceAlert