physical symptoms definition, physical symptoms meaning | English dictionary. Search also in: Web News Encyclopedia Images. physical. adj. 1 of or relating to the body, as distinguished from the mind or spirit. 2 of, relating to, or resembling material things or nature. the physical universe. 3 involving or requiring bodily contact.
Time travel is the concept of movement (often by a human) between different points in time in a manner analogous to moving between different points in space, typically using a hypothetical device known as a time machine.on-technological forms of time travel had appeared in a number of earlier stories such as Charles Dickens ' A Christmas Carol. Historically, the concept dates back to the early mythologies of Hinduism (such as the Mahabharata).
Scientists recreate evolution of complexity using 'molecular time travel'. Much of what living cells do is carried out by molecular machines  physical complexes of specialized proteins working together to carry out some biological function.Phys.org)âA team of researchers with the University of Cape Town and the University of KwaZulu-Natal, both in South Africa, has found an example of a seed from a plant using mimicry to fool a beetle. In their paper published ...