Researchers recovered ancient human DNA from cave walls in Spain and Portugal, showing prehistoric people left genetic traces ...

Ribosomal RNA (rRNA), made from many copies of ribosomal DNA (rDNA), is the core component that powers ribosomes—protein-building machines in our body. It helps build proteins by linking amino acids ...

An international team of cave explorers has shown that cave walls and the prehistoric rock art that adorns them can preserve human DNA for thousands of years.

For the first time, scientists have shown that ancient human DNA can survive for thousands of years on cave walls, opening new ways to study prehistoric human activity. This interdisciplinary study ...

Tom has a master’s degree in biochemistry from the University of Oxford and his interests range from immunology and microscopy to the philosophy of science.View full profile Tom has a master’s degree ...