Scientists from the National University of Singapore (NUS) have discovered a simple DNA "switch" that helps tropical butterflies adjust the size of their wing eyespots in response to seasonal ...

A simple, lower-cost new method for DNA profiling of human hairs developed by the University of Adelaide should improve opportunities to link criminals to serious crimes. The researchers have modified ...

A common problem in diagnosing infectious disease is that the presence of a potential pathogen in the body does not necessarily mean the patient is sick. This can be particularly challenging for the ...

Inside every cell, there is a tiny yet powerful timekeeper that keeps track, known as the biological clock. This internal mechanism doesn't count years; it calculates just how properly the body ...