Rare shark that lives for 500 years could hold secret to increasing human lifespan - The Telegraph

1. Rare shark that lives for 500 years could hold secret to increasing human lifespan  The Telegraph
2. World's Longest-Living Vertebrate May Have Revealed Its Anti-Aging Secrets  IFLScience
3. Greenland sharks delay death through never-changing metabolism: Study  Interesting Engineering
4. Sharks May Hold Secret to Keeping a Healthy Heart as You Age  Newsweek