This involves figuring out where a species belongs in the evolutionary tree, based on the traits ... that the little Bristol reptile is indeed the world's oldest modern-type lizard," says Whiteside.

This involves figuring out where a species belongs in the evolutionary tree, based on the traits it shares with related organisms ... "We ran the analysis time after time, and it gave our original ...

The only certainty is that Currey did have permission to cut down what was discovered to be the oldest tree on record. Now known as Prometheus, the tree was found to be nearly 5,000 years old.

The only certainty is that Currey did have permission to cut down what was discovered to be the oldest tree on record. Now known as Prometheus, the tree was found to be nearly 5,000 years old. That ...