Dating dinosour bones
What followed was the adoption of certain practices that improved safety and reduced the environmental impact...
A trip to your local supermarket is always a fun one, with tasty snacks tempting you in every aisle.
They've even found chemicals consistent with being DNA, though Schweitzer is quick to note that she hasn't proven they really are DNA.
The iron-removing techniques should allow paleontologists to search more effectively for soft tissue, and to test it when they find it."Once we can get the chemistry behind some of these soft tissues, there's all sorts of questions we can ask of ancient organisms," Schweitzer said.
"I'd like to find a honking big that's completely articulated that's still in the ground, or something similar," she said.
Iron is also highly reactive with other molecules, so the body keeps it locked up tight, bound to molecules that prevent it from wreaking havoc on the tissues.In most cases, microbes feast on a dead animal's soft tissue, destroying it within weeks.