http://www.talkorigins.org/faqs/hovind/howgood-c14.html
Carbon dating was wrong, and when Yale Univ did the study with new capabilities they found the earth is less than 10,000 yrs old....
It was not twenty yrs ago, but 90’s when it was started. To understand please read the above link about it.
Carbon dating is not used to establish the age of the earth.
Your are under the illusion that the article supports a 6000 year old Earth? EPIC FAIL