Scientists have made an exciting discovery that could alter the course of stem cell research and clear the path to a cure for Parkinson's and other diseases.
(Scientists; have made; an exciting discovery that could alter the course of stem cell research and clear the path to a cure for Parkinson's and other diseases) (an exciting discovery; could alter; the course of stem cell research) (an exciting discovery; clear; the path; to a cure for Parkinson's and other diseases)
Scientists an exciting discovery an exciting discovery
have made could alter clear
an exciting discovery that could alter the course of stem cell research and clear the path to a cure for Parkinson's and other diseases
the course of stem cell research
the path to a cure for Parkinson's and other diseases