By Claire Duffin | The Telegraph
When scientists inadvertently killed what turned out to be the worlds oldest living creature, it was bad enough.
Now, their mistake has been compounded after further research found it was even older at 507 years.
The ocean quahog - a type of deep-sea clam - was dredged alive from the bottom of the North Atlantic near Iceland in 2006 by researchers. They then put it in a freezer, as is normal practice, unaware of its age.
It was only when it was taken to a laboratory that scientists from Bangor University studied it and concluded it was 400 years old.
The discovery made it into the Guinness Book of World Records however by this time, it was too late for Ming the Mollusc named after the Chinese dynasty on the throne when its life began.
Now, after examining the ocean quahog more closely, using more refined methods, the researchers have found the animal was actually 100 years older than they first thought.
Dr Paul Butler, from the Universitys School of Ocean Sciences, said: We got it wrong the first time and maybe we were a bit hasty publishing our findings back then. But we are absolutely certain that weve got the right age now.
A quahogs shell grows by a layer every year, in the summer when the water is warmer and food is plentiful. It means that when its shell is cut in half, scientists can count the lines in a similar way trees can be dated by rings in their trunks.
It means the mollusc was born in 1499 just seven years after Columbus discovered [*] America and before Henry VIII had even married his first wife, Catherine of Aragon in 1509.
Read the full article at: telegraph.co.uk
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