SURE he smiles, but do you trust him - Bruce or Jaws, depending on which movie character you prefer - is now confirmed to share a common ancestor with humans.
X-rays of a 385-million-year-old German shark suggest we both inherited traits from a single forebear around 440 million years ago, according to British, Irish and US scientists.
You certainly can't choose your relatives, and some are never welcome at festive dinners.
Do YOU live in a "Blue Zone" - and what is it?
Researchers from the US have identified areas in the world with high longevity rates as "blue zones", finding four in total: Okinawa (Japan), Icaria (Greece), Loma Linda (California) and the Nicoya Peninsula (Costa Rica).
What is the secret behind this great longevity?
A team composed of several specialists (doctors, anthropologists, demographers, nutritionists, epidemiologists) -- and led by American researcher Dan Buettner identified nine elements that contribute: intense and regular physical activity, having reasons for being, stress reduction, eating to only 80% of capacity, a diet rich in plant-based foods, moderate consumption of alcohol, social engagement, religious practices and solid family ties - CLICK HERE for the research.
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