Yes, I think that physical evidence has increased in importance over the last several decades, with advancements in technology and testing procedures because of new ways of analysing evidence. physical evidence such as hair can be used to trace back to an individual though new tests.
17th-century English philosopher John Locke discussed natural rights in his work, identifying them as being "life, liberty, and estate (property)", and argued that such fundamental rights could not be surrendered in the social contract.
