Early signs of frostbite include pale skin, tingling, and numbness, known as frostnip. Severe frostbite can cause permanent tissue damage and may require surgical amputation. You can contact a doctor ...

The controversial discovery of 68-million-year-old soft tissue from the bones of a Tyrannosaurus rex finally has an explanation: According to new research, iron in the dinosaur's body preserved the ...

For many diseases, especially cancers, examination of disease-affected tissues is essential for clinical diagnosis, prognosis and therapy selection. Traditionally, tissues are fixed in formalin, ...